87358408665 has 16 divisors (see below), whose sum is σ = 152480131776. Its totient is φ = 42355592000.

The previous prime is 87358408649. The next prime is 87358408679. The reversal of 87358408665 is 56680485378.

It is not a de Polignac number, because 87358408665 - 2⁴ = 87358408649 is a prime.

It is a super-2 number, since 2×87358408665² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87358408599 and 87358408608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264722286 + ... + 264722615.

It is an arithmetic number, because the mean of its divisors is an integer number (9530008236).

Almost surely, 2^87358408665 is an apocalyptic number.

It is an amenable number.

87358408665 is a deficient number, since it is larger than the sum of its proper divisors (65121723111).

87358408665 is a wasteful number, since it uses less digits than its factorization.

87358408665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529444920.

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 87358408665 in words is "eighty-seven billion, three hundred fifty-eight million, four hundred eight thousand, six hundred sixty-five".