8375250981 has 16 divisors (see below), whose sum is σ = 11655383040. Its totient is φ = 5339429040.

The previous prime is 8375250971. The next prime is 8375251007. The reversal of 8375250981 is 1890525738.

It is not a de Polignac number, because 8375250981 - 2⁹ = 8375250469 is a prime.

It is a super-2 number, since 2×8375250981² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8375250981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8375250941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323640 + ... + 348558.

It is an arithmetic number, because the mean of its divisors is an integer number (728461440).

Almost surely, 2^8375250981 is an apocalyptic number.

It is an amenable number.

8375250981 is a deficient number, since it is larger than the sum of its proper divisors (3280132059).

8375250981 is a wasteful number, since it uses less digits than its factorization.

8375250981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29816.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 8375250981 is about 91516.3973340297. The cubic root of 8375250981 is about 2030.7943360183.

The spelling of 8375250981 in words is "eight billion, three hundred seventy-five million, two hundred fifty thousand, nine hundred eighty-one".