87469965 has 48 divisors (see below), whose sum is σ = 167469120. Its totient is φ = 41879040.

The previous prime is 87469957. The next prime is 87469973. The reversal of 87469965 is 56996478.

It is an interprime number because it is at equal distance from previous prime (87469957) and next prime (87469973).

It is not a de Polignac number, because 87469965 - 2³ = 87469957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40021 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (3488940).

Almost surely, 2^87469965 is an apocalyptic number.

It is an amenable number.

87469965 is a deficient number, since it is larger than the sum of its proper divisors (79999155).

87469965 is a wasteful number, since it uses less digits than its factorization.

87469965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2231 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 87469965 is about 9352.5378908615. The cubic root of 87469965 is about 443.9011984930.

The spelling of 87469965 in words is "eighty-seven million, four hundred sixty-nine thousand, nine hundred sixty-five".