87508837925 has 6 divisors (see below), whose sum is σ = 108510959058. Its totient is φ = 70007070320.

The previous prime is 87508837921. The next prime is 87508837931. The reversal of 87508837925 is 52973880578.

It can be written as a sum of positive squares in 3 ways, for example, as 148986436 + 87359851489 = 12206^2 + 295567^2 .

It is not a de Polignac number, because 87508837925 - 2² = 87508837921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87508837921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1750176734 + ... + 1750176783.

It is an arithmetic number, because the mean of its divisors is an integer number (18085159843).

Almost surely, 2^87508837925 is an apocalyptic number.

It is an amenable number.

87508837925 is a deficient number, since it is larger than the sum of its proper divisors (21002121133).

87508837925 is a wasteful number, since it uses less digits than its factorization.

87508837925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500353527 (or 3500353522 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 87508837925 in words is "eighty-seven billion, five hundred eight million, eight hundred thirty-seven thousand, nine hundred twenty-five".