77975629496 has 32 divisors (see below), whose sum is σ = 146924064000. Its totient is φ = 38796121056.

The previous prime is 77975629483. The next prime is 77975629499. The reversal of 77975629496 is 69492657977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77975629499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714135 + ... + 2742713.

It is an arithmetic number, because the mean of its divisors is an integer number (4591377000).

Almost surely, 2^77975629496 is an apocalyptic number.

It is an amenable number.

77975629496 is a deficient number, since it is larger than the sum of its proper divisors (68948434504).

77975629496 is a wasteful number, since it uses less digits than its factorization.

77975629496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30251 (or 30247 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 71.

The spelling of 77975629496 in words is "seventy-seven billion, nine hundred seventy-five million, six hundred twenty-nine thousand, four hundred ninety-six".