82530698780 has 24 divisors (see below), whose sum is σ = 173614863408. Its totient is φ = 32955061248.

The previous prime is 82530698749. The next prime is 82530698801. The reversal of 82530698780 is 8789603528.

It is a super-2 number, since 2×82530698780² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564314 + ... + 3587393.

It is an arithmetic number, because the mean of its divisors is an integer number (7233952642).

Almost surely, 2^82530698780 is an apocalyptic number.

It is an amenable number.

82530698780 is an abundant number, since it is smaller than the sum of its proper divisors (91084164628).

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

82530698780 is a wasteful number, since it uses less digits than its factorization.

82530698780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152293 (or 7152291 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 82530698780 in words is "eighty-two billion, five hundred thirty million, six hundred ninety-eight thousand, seven hundred eighty".