77497425942 has 16 divisors (see below), whose sum is σ = 155169603072. Its totient is φ = 25803350120.

The previous prime is 77497425919. The next prime is 77497425959. The reversal of 77497425942 is 24952479477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7275534 + ... + 7286177.

It is an arithmetic number, because the mean of its divisors is an integer number (9698100192).

Almost surely, 2^77497425942 is an apocalyptic number.

77497425942 is an abundant number, since it is smaller than the sum of its proper divisors (77672177130).

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

77497425942 is a wasteful number, since it uses less digits than its factorization.

77497425942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14562603.

The product of its digits is 35562240, while the sum is 60.

The spelling of 77497425942 in words is "seventy-seven billion, four hundred ninety-seven million, four hundred twenty-five thousand, nine hundred forty-two".