87508751641 has 8 divisors (see below), whose sum is σ = 88064007584. Its totient is φ = 86953720320.

The previous prime is 87508751593. The next prime is 87508751683. The reversal of 87508751641 is 14615780578.

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 87508751641 - 2²¹ = 87506654489 is a prime.

It is a super-2 number, since 2×87508751641² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87508751441) 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, 763225 + ... + 870361.

It is an arithmetic number, because the mean of its divisors is an integer number (11008000948).

Almost surely, 2^87508751641 is an apocalyptic number.

It is an amenable number.

87508751641 is a deficient number, since it is larger than the sum of its proper divisors (555255943).

87508751641 is a wasteful number, since it uses less digits than its factorization.

87508751641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112311.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 87508751641 in words is "eighty-seven billion, five hundred eight million, seven hundred fifty-one thousand, six hundred forty-one".