87938925 has 24 divisors (see below), whose sum is σ = 148142304. Its totient is φ = 46013760.

The previous prime is 87938923. The next prime is 87938953. The reversal of 87938925 is 52983978.

It is not a de Polignac number, because 87938925 - 2¹ = 87938923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87938923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7087 + ... + 15036.

It is an arithmetic number, because the mean of its divisors is an integer number (6172596).

Almost surely, 2^87938925 is an apocalyptic number.

It is an amenable number.

87938925 is a deficient number, since it is larger than the sum of its proper divisors (60203379).

87938925 is a wasteful number, since it uses less digits than its factorization.

87938925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22189 (or 22184 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 87938925 is about 9377.5756461892. The cubic root of 87938925 is about 444.6930930990.

The spelling of 87938925 in words is "eighty-seven million, nine hundred thirty-eight thousand, nine hundred twenty-five".