82750727700 has 54 divisors (see below), whose sum is σ = 259377561534. Its totient is φ = 22066860480.

The previous prime is 82750727681. The next prime is 82750727723. The reversal of 82750727700 is 772705728.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1860541956 + 80890185744 = 43134^2 + 284412^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45971727 + ... + 45973526.

Almost surely, 2^82750727700 is an apocalyptic number.

It is an amenable number.

82750727700 is an abundant number, since it is smaller than the sum of its proper divisors (176626833834).

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

82750727700 is a wasteful number, since it uses less digits than its factorization.

82750727700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91945273 (or 91945263 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 45.

The spelling of 82750727700 in words is "eighty-two billion, seven hundred fifty million, seven hundred twenty-seven thousand, seven hundred".