8257990516 has 24 divisors (see below), whose sum is σ = 15306781896. Its totient is φ = 3884789760.

The previous prime is 8257990471. The next prime is 8257990537. The reversal of 8257990516 is 6150997528.

It can be written as a sum of positive squares in 4 ways, for example, as 633616 + 8257356900 = 796^2 + 90870^2 .

It is a congruent number.

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, 197220 + ... + 235396.

It is an arithmetic number, because the mean of its divisors is an integer number (637782579).

Almost surely, 2^8257990516 is an apocalyptic number.

It is an amenable number.

8257990516 is a deficient number, since it is larger than the sum of its proper divisors (7048791380).

8257990516 is a wasteful number, since it uses less digits than its factorization.

8257990516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41379 (or 41377 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 8257990516 is about 90873.4863202684. The cubic root of 8257990516 is about 2021.2721552270.

The spelling of 8257990516 in words is "eight billion, two hundred fifty-seven million, nine hundred ninety thousand, five hundred sixteen".