83916975892 has 6 divisors (see below), whose sum is σ = 146854707818. Its totient is φ = 41958487944.

The previous prime is 83916975871. The next prime is 83916975893. The reversal of 83916975892 is 29857961938.

It can be written as a sum of positive squares in only one way, i.e., 83638953616 + 278022276 = 289204^2 + 16674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83916975893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10489621983 + ... + 10489621990.

Almost surely, 2^83916975892 is an apocalyptic number.

It is an amenable number.

83916975892 is a deficient number, since it is larger than the sum of its proper divisors (62937731926).

83916975892 is a wasteful number, since it uses less digits than its factorization.

83916975892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20979243977 (or 20979243975 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 67.

The spelling of 83916975892 in words is "eighty-three billion, nine hundred sixteen million, nine hundred seventy-five thousand, eight hundred ninety-two".