77924086331 has 8 divisors (see below), whose sum is σ = 95906567904. Its totient is φ = 61654222080.

The previous prime is 77924086291. The next prime is 77924086333. The reversal of 77924086331 is 13368042977.

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 77924086331 - 2⁶ = 77924086267 is a prime.

It is a super-2 number, since 2×77924086331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77924086331.

It is not an unprimeable number, because it can be changed into a prime (77924086333) 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, 428154230 + ... + 428154411.

It is an arithmetic number, because the mean of its divisors is an integer number (11988320988).

Almost surely, 2^77924086331 is an apocalyptic number.

77924086331 is a deficient number, since it is larger than the sum of its proper divisors (17982481573).

77924086331 is a wasteful number, since it uses less digits than its factorization.

77924086331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856308661.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 77924086331 in words is "seventy-seven billion, nine hundred twenty-four million, eighty-six thousand, three hundred thirty-one".