77193403030 has 32 divisors (see below), whose sum is σ = 142987529664. Its totient is φ = 29983038336.

The previous prime is 77193402983. The next prime is 77193403043. The reversal of 77193403030 is 3030439177.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21277 + ... + 393496.

It is an arithmetic number, because the mean of its divisors is an integer number (4468360302).

Almost surely, 2^77193403030 is an apocalyptic number.

77193403030 is a deficient number, since it is larger than the sum of its proper divisors (65794126634).

77193403030 is a wasteful number, since it uses less digits than its factorization.

77193403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415320.

The product of its (nonzero) digits is 47628, while the sum is 37.

The spelling of 77193403030 in words is "seventy-seven billion, one hundred ninety-three million, four hundred three thousand, thirty".