82750758251 has 4 divisors (see below), whose sum is σ = 94572295152. Its totient is φ = 70929221352.

The previous prime is 82750758247. The next prime is 82750758253. The reversal of 82750758251 is 15285705728.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82750758251 - 2² = 82750758247 is a prime.

It is a super-2 number, since 2×82750758251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82750758251.

It is not an unprimeable number, because it can be changed into a prime (82750758253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5910768440 + ... + 5910768453.

It is an arithmetic number, because the mean of its divisors is an integer number (23643073788).

Almost surely, 2^82750758251 is an apocalyptic number.

82750758251 is a deficient number, since it is larger than the sum of its proper divisors (11821536901).

82750758251 is a wasteful number, since it uses less digits than its factorization.

82750758251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821536900.

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 82750758251 in words is "eighty-two billion, seven hundred fifty million, seven hundred fifty-eight thousand, two hundred fifty-one".