77013804396 has 48 divisors (see below), whose sum is σ = 191953256544. Its totient is φ = 23947370496.

The previous prime is 77013804353. The next prime is 77013804431. The reversal of 77013804396 is 69340831077.

It is a super-2 number, since 2×77013804396² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647385 + ... + 1693488.

It is an arithmetic number, because the mean of its divisors is an integer number (3999026178).

Almost surely, 2^77013804396 is an apocalyptic number.

It is an amenable number.

77013804396 is an abundant number, since it is smaller than the sum of its proper divisors (114939452148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77013804396 is a wasteful number, since it uses less digits than its factorization.

77013804396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341010 (or 3341008 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 77013804396 in words is "seventy-seven billion, thirteen million, eight hundred four thousand, three hundred ninety-six".