82757650 has 12 divisors (see below), whose sum is σ = 153929322. Its totient is φ = 33103040.

The previous prime is 82757627. The next prime is 82757651. The reversal of 82757650 is 5675728.

It can be written as a sum of positive squares in 3 ways, for example, as 50936769 + 31820881 = 7137^2 + 5641^2 .

It is not an unprimeable number, because it can be changed into a prime (82757651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 827527 + ... + 827626.

Almost surely, 2^82757650 is an apocalyptic number.

82757650 is a deficient number, since it is larger than the sum of its proper divisors (71171672).

82757650 is a wasteful number, since it uses less digits than its factorization.

82757650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655165 (or 1655160 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 82757650 is about 9097.1231716406. The cubic root of 82757650 is about 435.7820958948.

The spelling of 82757650 in words is "eighty-two million, seven hundred fifty-seven thousand, six hundred fifty".