77037734344 has 16 divisors (see below), whose sum is σ = 152942561100. Its totient is φ = 36253051392.

The previous prime is 77037734341. The next prime is 77037734383. The reversal of 77037734344 is 44343773077.

It can be written as a sum of positive squares in 2 ways, for example, as 76265450244 + 772284100 = 276162^2 + 27790^2 .

It is a super-2 number, since 2×77037734344² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77037734341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283226829 + ... + 283227100.

Almost surely, 2^77037734344 is an apocalyptic number.

It is an amenable number.

77037734344 is a deficient number, since it is larger than the sum of its proper divisors (75904826756).

77037734344 is a wasteful number, since it uses less digits than its factorization.

77037734344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566453952 (or 566453948 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 49.

The spelling of 77037734344 in words is "seventy-seven billion, thirty-seven million, seven hundred thirty-four thousand, three hundred forty-four".