8072251965 has 16 divisors (see below), whose sum is σ = 14350670400. Its totient is φ = 4305200976.

The previous prime is 8072251961. The next prime is 8072251969. The reversal of 8072251965 is 5691522708.

8072251965 is a `hidden beast` number, since 8 + 0 + 72 + 2 + 519 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (8072251961) and next prime (8072251969).

It is not a de Polignac number, because 8072251965 - 2² = 8072251961 is a prime.

It is a super-2 number, since 2×8072251965² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8072251965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072251961) 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, 29897095 + ... + 29897364.

It is an arithmetic number, because the mean of its divisors is an integer number (896916900).

Almost surely, 2^8072251965 is an apocalyptic number.

It is an amenable number.

8072251965 is a deficient number, since it is larger than the sum of its proper divisors (6278418435).

8072251965 is a wasteful number, since it uses less digits than its factorization.

8072251965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59794473 (or 59794467 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 8072251965 is about 89845.7120011857. The cubic root of 8072251965 is about 2006.0029612846.

The spelling of 8072251965 in words is "eight billion, seventy-two million, two hundred fifty-one thousand, nine hundred sixty-five".