82670941780 has 48 divisors (see below), whose sum is σ = 198447258240. Its totient is φ = 28339037568.

The previous prime is 82670941757. The next prime is 82670941789. The reversal of 82670941780 is 8714907628.

It is a super-2 number, since 2×82670941780² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82670941789) 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, 739191 + ... + 843649.

It is an arithmetic number, because the mean of its divisors is an integer number (4134317880).

Almost surely, 2^82670941780 is an apocalyptic number.

It is an amenable number.

82670941780 is an abundant number, since it is smaller than the sum of its proper divisors (115776316460).

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

82670941780 is a wasteful number, since it uses less digits than its factorization.

82670941780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110128 (or 110126 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 82670941780 in words is "eighty-two billion, six hundred seventy million, nine hundred forty-one thousand, seven hundred eighty".