77427393000 has 128 divisors (see below), whose sum is σ = 247465895040. Its totient is φ = 20143680000.

The previous prime is 77427392983. The next prime is 77427393019. The reversal of 77427393000 is 39372477.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191746 + ... + 437745.

It is an arithmetic number, because the mean of its divisors is an integer number (1933327305).

Almost surely, 2^77427393000 is an apocalyptic number.

It is an amenable number.

77427393000 is an abundant number, since it is smaller than the sum of its proper divisors (170038502040).

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

77427393000 is a wasteful number, since it uses less digits than its factorization.

77427393000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629556 (or 629542 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 42.

The spelling of 77427393000 in words is "seventy-seven billion, four hundred twenty-seven million, three hundred ninety-three thousand".