61279265982 has 32 divisors (see below), whose sum is σ = 133862004864. Its totient is φ = 18547004000.

The previous prime is 61279265959. The next prime is 61279265989. The reversal of 61279265982 is 28956297216.

61279265982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61279265989) 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, 506769 + ... + 615932.

It is an arithmetic number, because the mean of its divisors is an integer number (4183187652).

Almost surely, 2^61279265982 is an apocalyptic number.

61279265982 is an abundant number, since it is smaller than the sum of its proper divisors (72582738882).

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

61279265982 is a wasteful number, since it uses less digits than its factorization.

61279265982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123544.

The product of its digits is 6531840, while the sum is 57.

The spelling of 61279265982 in words is "sixty-one billion, two hundred seventy-nine million, two hundred sixty-five thousand, nine hundred eighty-two".