77730034370143 has 8 divisors (see below), whose sum is σ = 80355973991040. Its totient is φ = 75111502196640.

The previous prime is 77730034370137. The next prime is 77730034370159. The reversal of 77730034370143 is 34107343003777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77730034370143 - 2¹³ = 77730034361951 is a prime.

It is a super-2 number, since 2×77730034370143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77730034370113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851840508 + ... + 1851882481.

It is an arithmetic number, because the mean of its divisors is an integer number (10044496748880).

Almost surely, 2^{77730034370143} is an apocalyptic number.

77730034370143 is a deficient number, since it is larger than the sum of its proper divisors (2625939620897).

77730034370143 is a wasteful number, since it uses less digits than its factorization.

77730034370143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703723697.

The product of its (nonzero) digits is 3111696, while the sum is 49.

The spelling of 77730034370143 in words is "seventy-seven trillion, seven hundred thirty billion, thirty-four million, three hundred seventy thousand, one hundred forty-three".