7852661000 has 32 divisors (see below), whose sum is σ = 18375229080. Its totient is φ = 3141064000.

The previous prime is 7852660973. The next prime is 7852661017. The reversal of 7852661000 is 1662587.

It can be written as a sum of positive squares in 4 ways, for example, as 4729863076 + 3122797924 = 68774^2 + 55882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3925331 + ... + 3927330.

Almost surely, 2^7852661000 is an apocalyptic number.

It is an amenable number.

7852661000 is an abundant number, since it is smaller than the sum of its proper divisors (10522568080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7852661000 is a wasteful number, since it uses less digits than its factorization.

7852661000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852682 (or 7852668 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7852661000 is about 88615.2413527154. The cubic root of 7852661000 is about 1987.6455914337.

The spelling of 7852661000 in words is "seven billion, eight hundred fifty-two million, six hundred sixty-one thousand".