87952078464 has 32 divisors (see below), whose sum is σ = 233622709440. Its totient is φ = 29317359360.

The previous prime is 87952078433. The next prime is 87952078481. The reversal of 87952078464 is 46487025978.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×87952078464² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87952078398 and 87952078407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114520552 + ... + 114521319.

It is an arithmetic number, because the mean of its divisors is an integer number (7300709670).

Almost surely, 2^87952078464 is an apocalyptic number.

It is an amenable number.

87952078464 is an abundant number, since it is smaller than the sum of its proper divisors (145670630976).

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

87952078464 is a wasteful number, since it uses less digits than its factorization.

87952078464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229041888 (or 229041876 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 87952078464 in words is "eighty-seven billion, nine hundred fifty-two million, seventy-eight thousand, four hundred sixty-four".