77009247031 has 8 divisors (see below), whose sum is σ = 77143210544. Its totient is φ = 76875402240.

The previous prime is 77009247017. The next prime is 77009247043. The reversal of 77009247031 is 13074290077.

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 77009247031 - 2⁷ = 77009246903 is a prime.

It is a super-2 number, since 2×77009247031² (a number of 23 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 (77009244031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321645 + ... + 1378681.

It is an arithmetic number, because the mean of its divisors is an integer number (9642901318).

Almost surely, 2^77009247031 is an apocalyptic number.

77009247031 is a deficient number, since it is larger than the sum of its proper divisors (133963513).

77009247031 is a wasteful number, since it uses less digits than its factorization.

77009247031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59361.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 77009247031 in words is "seventy-seven billion, nine million, two hundred forty-seven thousand, thirty-one".