83137475087 has 8 divisors (see below), whose sum is σ = 88034048496. Its totient is φ = 78241583232.

The previous prime is 83137475059. The next prime is 83137475093. The reversal of 83137475087 is 78057473138.

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

It is a cyclic number.

It is not a de Polignac number, because 83137475087 - 2⁸ = 83137474831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83137475027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92348 + ... + 418094.

It is an arithmetic number, because the mean of its divisors is an integer number (11004256062).

Almost surely, 2^83137475087 is an apocalyptic number.

83137475087 is a deficient number, since it is larger than the sum of its proper divisors (4896573409).

83137475087 is a wasteful number, since it uses less digits than its factorization.

83137475087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340777.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 83137475087 in words is "eighty-three billion, one hundred thirty-seven million, four hundred seventy-five thousand, eighty-seven".