87107290081 has 16 divisors (see below), whose sum is σ = 99865882368. Its totient is φ = 74427724800.

The previous prime is 87107290079. The next prime is 87107290087. The reversal of 87107290081 is 18009270178.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87107290081 - 2¹ = 87107290079 is a prime.

It is a super-2 number, since 2×87107290081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87107290087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3087961 + ... + 3116041.

It is an arithmetic number, because the mean of its divisors is an integer number (6241617648).

Almost surely, 2^87107290081 is an apocalyptic number.

It is an amenable number.

87107290081 is a deficient number, since it is larger than the sum of its proper divisors (12758592287).

87107290081 is a wasteful number, since it uses less digits than its factorization.

87107290081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29472.

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 87107290081 in words is "eighty-seven billion, one hundred seven million, two hundred ninety thousand, eighty-one".