87860045 has 32 divisors (see below), whose sum is σ = 133969920. Its totient is φ = 53809920.

The previous prime is 87860033. The next prime is 87860057. The reversal of 87860045 is 54006878.

It is an interprime number because it is at equal distance from previous prime (87860033) and next prime (87860057).

It is not a de Polignac number, because 87860045 - 2²⁴ = 71082829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87859990 and 87860008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10991 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (4186560).

Almost surely, 2^87860045 is an apocalyptic number.

It is an amenable number.

87860045 is a deficient number, since it is larger than the sum of its proper divisors (46109875).

87860045 is a wasteful number, since it uses less digits than its factorization.

87860045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 87860045 is about 9373.3689247783. The cubic root of 87860045 is about 444.5600921388.

The spelling of 87860045 in words is "eighty-seven million, eight hundred sixty thousand, forty-five".