87869375 has 20 divisors (see below), whose sum is σ = 119792904. Its totient is φ = 63900000.

The previous prime is 87869371. The next prime is 87869381. The reversal of 87869375 is 57396878.

It is not a de Polignac number, because 87869375 - 2² = 87869371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87869371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 485 + ... + 13265.

Almost surely, 2^87869375 is an apocalyptic number.

87869375 is a deficient number, since it is larger than the sum of its proper divisors (31923529).

87869375 is a wasteful number, since it uses less digits than its factorization.

87869375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812 (or 12797 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 87869375 is about 9373.8665981547. The cubic root of 87869375 is about 444.5758277664.

The spelling of 87869375 in words is "eighty-seven million, eight hundred sixty-nine thousand, three hundred seventy-five".