87200745 has 32 divisors (see below), whose sum is σ = 143493120. Its totient is φ = 45197760.

The previous prime is 87200723. The next prime is 87200779. The reversal of 87200745 is 54700278.

It is not a de Polignac number, because 87200745 - 2⁹ = 87200233 is a prime.

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, 125850 + ... + 126540.

It is an arithmetic number, because the mean of its divisors is an integer number (4484160).

Almost surely, 2^87200745 is an apocalyptic number.

It is an amenable number.

87200745 is a deficient number, since it is larger than the sum of its proper divisors (56292375).

87200745 is a wasteful number, since it uses less digits than its factorization.

87200745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 87200745 is about 9338.1339142250. The cubic root of 87200745 is about 443.4453090560.

The spelling of 87200745 in words is "eighty-seven million, two hundred thousand, seven hundred forty-five".