83155734538 has 8 divisors (see below), whose sum is σ = 129034760580. Its totient is φ = 40144147680.

The previous prime is 83155734499. The next prime is 83155734551. The reversal of 83155734538 is 83543755138.

It can be written as a sum of positive squares in 2 ways, for example, as 79116750729 + 4038983809 = 281277^2 + 63553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716859723 + ... + 716859838.

Almost surely, 2^83155734538 is an apocalyptic number.

83155734538 is a deficient number, since it is larger than the sum of its proper divisors (45879026042).

83155734538 is a wasteful number, since it uses less digits than its factorization.

83155734538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433719592.

The product of its digits is 6048000, while the sum is 52.

The spelling of 83155734538 in words is "eighty-three billion, one hundred fifty-five million, seven hundred thirty-four thousand, five hundred thirty-eight".