77051345262031 has 24 divisors (see below), whose sum is σ = 89662139384400. Its totient is φ = 66021185204352.

The previous prime is 77051345261993. The next prime is 77051345262049. The reversal of 77051345262031 is 13026254315077.

It is not a de Polignac number, because 77051345262031 - 2¹¹ = 77051345259983 is a prime.

It is a super-2 number, since 2×77051345262031² (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 (77051345262061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2028021571 + ... + 2028059563.

It is an arithmetic number, because the mean of its divisors is an integer number (3735922474350).

Almost surely, 2^{77051345262031} is an apocalyptic number.

77051345262031 is a deficient number, since it is larger than the sum of its proper divisors (12610794122369).

77051345262031 is a wasteful number, since it uses less digits than its factorization.

77051345262031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51223 (or 51216 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 77051345262031 in words is "seventy-seven trillion, fifty-one billion, three hundred forty-five million, two hundred sixty-two thousand, thirty-one".