8077251650 has 48 divisors (see below), whose sum is σ = 17131106664. Its totient is φ = 2806932480.

The previous prime is 8077251649. The next prime is 8077251697. The reversal of 8077251650 is 561527708.

It can be written as a sum of positive squares in 12 ways, for example, as 2050368961 + 6026882689 = 45281^2 + 77633^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8077251598 and 8077251607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354437 + ... + 376536.

Almost surely, 2^8077251650 is an apocalyptic number.

8077251650 is an abundant number, since it is smaller than the sum of its proper divisors (9053855014).

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

8077251650 is a wasteful number, since it uses less digits than its factorization.

8077251650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731015 (or 731010 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 8077251650 is about 89873.5314205467. The cubic root of 8077251650 is about 2006.4170263662.

The spelling of 8077251650 in words is "eight billion, seventy-seven million, two hundred fifty-one thousand, six hundred fifty".