36728351858 has 12 divisors (see below), whose sum is σ = 60556249950. Its totient is φ = 16694705280.

The previous prime is 36728351837. The next prime is 36728351909. The reversal of 36728351858 is 85815382763.

It can be written as a sum of positive squares in only one way, i.e., 33960224089 + 2768127769 = 184283^2 + 52613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75884783 + ... + 75885266.

Almost surely, 2^36728351858 is an apocalyptic number.

36728351858 is a deficient number, since it is larger than the sum of its proper divisors (23827898092).

36728351858 is a wasteful number, since it uses less digits than its factorization.

36728351858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151770073 (or 151770062 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The spelling of 36728351858 in words is "thirty-six billion, seven hundred twenty-eight million, three hundred fifty-one thousand, eight hundred fifty-eight".