83542134628 has 6 divisors (see below), whose sum is σ = 146198735606. Its totient is φ = 41771067312.

The previous prime is 83542134617. The next prime is 83542134653. The reversal of 83542134628 is 82643124538.

It can be written as a sum of positive squares in only one way, i.e., 68747791204 + 14794343424 = 262198^2 + 121632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10442766825 + ... + 10442766832.

Almost surely, 2^83542134628 is an apocalyptic number.

It is an amenable number.

83542134628 is a deficient number, since it is larger than the sum of its proper divisors (62656600978).

83542134628 is a wasteful number, since it uses less digits than its factorization.

83542134628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20885533661 (or 20885533659 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The spelling of 83542134628 in words is "eighty-three billion, five hundred forty-two million, one hundred thirty-four thousand, six hundred twenty-eight".