377115221385 has 48 divisors (see below), whose sum is σ = 747095471616. Its totient is φ = 172384412544.

The previous prime is 377115221341. The next prime is 377115221407. The reversal of 377115221385 is 583122511773.

377115221385 is a `hidden beast` number, since 37 + 7 + 1 + 1 + 522 + 13 + 85 = 666.

It is not a de Polignac number, because 377115221385 - 2²⁶ = 377048112521 is a prime.

It is a super-2 number, since 2×377115221385² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 377115221385.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6740547 + ... + 6796263.

It is an arithmetic number, because the mean of its divisors is an integer number (15564488992).

Almost surely, 2^377115221385 is an apocalyptic number.

377115221385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

377115221385 is a deficient number, since it is larger than the sum of its proper divisors (369980250231).

377115221385 is a wasteful number, since it uses less digits than its factorization.

377115221385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77222 (or 77219 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 377115221385 in words is "three hundred seventy-seven billion, one hundred fifteen million, two hundred twenty-one thousand, three hundred eighty-five".