83768518476 has 18 divisors (see below), whose sum is σ = 211748199572. Its totient is φ = 27922839480.

The previous prime is 83768518439. The next prime is 83768518489. The reversal of 83768518476 is 67481586738.

83768518476 is a `hidden beast` number, since 8 + 3 + 76 + 8 + 518 + 47 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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, 1163451610 + ... + 1163451681.

Almost surely, 2^83768518476 is an apocalyptic number.

It is an amenable number.

83768518476 is an abundant number, since it is smaller than the sum of its proper divisors (127979681096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83768518476 is a wasteful number, since it uses less digits than its factorization.

83768518476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326903301 (or 2326903296 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 83768518476 in words is "eighty-three billion, seven hundred sixty-eight million, five hundred eighteen thousand, four hundred seventy-six".