188792734628 has 6 divisors (see below), whose sum is σ = 330387285606. Its totient is φ = 94396367312.

The previous prime is 188792734607. The next prime is 188792734631. The reversal of 188792734628 is 826437297881.

It can be written as a sum of positive squares in only one way, i.e., 157813918564 + 30978816064 = 397258^2 + 176008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23599091825 + ... + 23599091832.

It is an arithmetic number, because the mean of its divisors is an integer number (55064547601).

Almost surely, 2^188792734628 is an apocalyptic number.

It is an amenable number.

188792734628 is a deficient number, since it is larger than the sum of its proper divisors (141594550978).

188792734628 is a wasteful number, since it uses less digits than its factorization.

188792734628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47198183661 (or 47198183659 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 188792734628 in words is "one hundred eighty-eight billion, seven hundred ninety-two million, seven hundred thirty-four thousand, six hundred twenty-eight".