83495801538 has 16 divisors (see below), whose sum is σ = 185546225760. Its totient is φ = 27831933828.

The previous prime is 83495801527. The next prime is 83495801567. The reversal of 83495801538 is 83510859438.

83495801538 is a `hidden beast` number, since 8 + 3 + 4 + 9 + 580 + 1 + 53 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1546218547 = 83495801538 / (8 + 3 + 4 + 9 + 5 + 8 + 0 + 1 + 5 + 3 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773109220 + ... + 773109327.

It is an arithmetic number, because the mean of its divisors is an integer number (11596639110).

Almost surely, 2^83495801538 is an apocalyptic number.

83495801538 is an abundant number, since it is smaller than the sum of its proper divisors (102050424222).

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

83495801538 is a wasteful number, since it uses less digits than its factorization.

83495801538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546218558 (or 1546218552 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 83495801538 in words is "eighty-three billion, four hundred ninety-five million, eight hundred one thousand, five hundred thirty-eight".