42879397356 has 30 divisors (see below), whose sum is σ = 112095215540. Its totient is φ = 14293132344.

The previous prime is 42879397343. The next prime is 42879397367. The reversal of 42879397356 is 65379397824.

42879397356 is a `hidden beast` number, since 428 + 7 + 93 + 9 + 73 + 56 = 666.

It is a super-2 number, since 2×42879397356² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42879397293 and 42879397302.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66171586 + ... + 66172233.

Almost surely, 2^42879397356 is an apocalyptic number.

It is an amenable number.

42879397356 is an abundant number, since it is smaller than the sum of its proper divisors (69215818184).

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

42879397356 is a wasteful number, since it uses less digits than its factorization.

42879397356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132343835 (or 132343824 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 42879397356 in words is "forty-two billion, eight hundred seventy-nine million, three hundred ninety-seven thousand, three hundred fifty-six".