77148883 has 6 divisors (see below), whose sum is σ = 89744676. Its totient is φ = 66127572.

The previous prime is 77148881. The next prime is 77148887. The reversal of 77148883 is 38884177.

It is not a de Polignac number, because 77148883 - 2¹ = 77148881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77148881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787185 + ... + 787282.

It is an arithmetic number, because the mean of its divisors is an integer number (14957446).

Almost surely, 2^77148883 is an apocalyptic number.

77148883 is a deficient number, since it is larger than the sum of its proper divisors (12595793).

77148883 is a wasteful number, since it uses less digits than its factorization.

77148883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574481 (or 1574474 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 77148883 is about 8783.4436868463. The cubic root of 77148883 is about 425.7061074024.

The spelling of 77148883 in words is "seventy-seven million, one hundred forty-eight thousand, eight hundred eighty-three".