7899025465 has 4 divisors (see below), whose sum is σ = 9478830564. Its totient is φ = 6319220368.

The previous prime is 7899025457. The next prime is 7899025489. The reversal of 7899025465 is 5645209987.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2502800784 + 5396224681 = 50028^2 + 73459^2 .

It is a cyclic number.

It is not a de Polignac number, because 7899025465 - 2³ = 7899025457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789902542 + ... + 789902551.

It is an arithmetic number, because the mean of its divisors is an integer number (2369707641).

Almost surely, 2^7899025465 is an apocalyptic number.

It is an amenable number.

7899025465 is a deficient number, since it is larger than the sum of its proper divisors (1579805099).

7899025465 is a wasteful number, since it uses less digits than its factorization.

7899025465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579805098.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The square root of 7899025465 is about 88876.4618163887. The cubic root of 7899025465 is about 1991.5498027829.

The spelling of 7899025465 in words is "seven billion, eight hundred ninety-nine million, twenty-five thousand, four hundred sixty-five".