87106517372 has 36 divisors (see below), whose sum is σ = 179753106960. Its totient is φ = 36819969984.

The previous prime is 87106517371. The next prime is 87106517383. The reversal of 87106517372 is 27371560178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87106517371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3029672 + ... + 3058287.

It is an arithmetic number, because the mean of its divisors is an integer number (4993141860).

Almost surely, 2^87106517372 is an apocalyptic number.

It is an amenable number.

87106517372 is an abundant number, since it is smaller than the sum of its proper divisors (92646589588).

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

87106517372 is a wasteful number, since it uses less digits than its factorization.

87106517372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088050 (or 6088041 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 87106517372 in words is "eighty-seven billion, one hundred six million, five hundred seventeen thousand, three hundred seventy-two".