279981906162 has 64 divisors (see below), whose sum is σ = 673968384000. Its totient is φ = 75747709440.

The previous prime is 279981906161. The next prime is 279981906173. The reversal of 279981906162 is 261609189972.

It is a junction number, because it is equal to n+sod(n) for n = 279981906096 and 279981906105.

It is not an unprimeable number, because it can be changed into a prime (279981906161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576339 + ... + 1744937.

It is an arithmetic number, because the mean of its divisors is an integer number (10530756000).

Almost surely, 2^279981906162 is an apocalyptic number.

279981906162 is an abundant number, since it is smaller than the sum of its proper divisors (393986477838).

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

279981906162 is a wasteful number, since it uses less digits than its factorization.

279981906162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170711.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 279981906162 in words is "two hundred seventy-nine billion, nine hundred eighty-one million, nine hundred six thousand, one hundred sixty-two".