8377251816 has 32 divisors (see below), whose sum is σ = 20949616800. Its totient is φ = 2791552320.

The previous prime is 8377251809. The next prime is 8377251853. The reversal of 8377251816 is 6181527738.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 27550 + ... + 132338.

It is an arithmetic number, because the mean of its divisors is an integer number (654675525).

Almost surely, 2^8377251816 is an apocalyptic number.

It is an amenable number.

8377251816 is an abundant number, since it is smaller than the sum of its proper divisors (12572364984).

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

8377251816 is a wasteful number, since it uses less digits than its factorization.

8377251816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108129 (or 108125 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 8377251816 is about 91527.3282468138. The cubic root of 8377251816 is about 2030.9560410572.

The spelling of 8377251816 in words is "eight billion, three hundred seventy-seven million, two hundred fifty-one thousand, eight hundred sixteen".