87411879025 has 27 divisors (see below), whose sum is σ = 112312306561. Its totient is φ = 67485027680.

The previous prime is 87411879019. The next prime is 87411879053. The reversal of 87411879025 is 52097811478.

The square root of 87411879025 is 295655.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1201523569 + 86210355456 = 34663^2 + 293616^2 .

It is not a de Polignac number, because 87411879025 - 2⁹ = 87411878513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42868956 + ... + 42870994.

Almost surely, 2^87411879025 is an apocalyptic number.

87411879025 is the 295655-th square number.

87411879025 is the 147828-th centered octagonal number.

It is an amenable number.

87411879025 is a deficient number, since it is larger than the sum of its proper divisors (24900427536).

87411879025 is an frugal number, since it uses more digits than its factorization.

87411879025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 87411879025 in words is "eighty-seven billion, four hundred eleven million, eight hundred seventy-nine thousand, twenty-five".