77013749396 has 24 divisors (see below), whose sum is σ = 135038990016. Its totient is φ = 38431229760.

The previous prime is 77013749377. The next prime is 77013749431. The reversal of 77013749396 is 69394731077.

It is a super-2 number, since 2×77013749396² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160360 + ... + 10167936.

It is an arithmetic number, because the mean of its divisors is an integer number (5626624584).

Almost surely, 2^77013749396 is an apocalyptic number.

It is an amenable number.

77013749396 is a deficient number, since it is larger than the sum of its proper divisors (58025240620).

77013749396 is a wasteful number, since it uses less digits than its factorization.

77013749396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12239 (or 12237 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 56.

The spelling of 77013749396 in words is "seventy-seven billion, thirteen million, seven hundred forty-nine thousand, three hundred ninety-six".