42167779386708 has 24 divisors (see below), whose sum is σ = 98476820467648. Its totient is φ = 14043735714816.

The previous prime is 42167779386701. The next prime is 42167779386721. The reversal of 42167779386708 is 80768397776124.

42167779386708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42167779386708² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42167779386708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42167779386701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523829016 + ... + 1523856687.

Almost surely, 2^{42167779386708} is an apocalyptic number.

It is an amenable number.

42167779386708 is an abundant number, since it is smaller than the sum of its proper divisors (56309041080940).

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

42167779386708 is a wasteful number, since it uses less digits than its factorization.

42167779386708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047686863 (or 3047686861 counting only the distinct ones).

The product of its (nonzero) digits is 1194891264, while the sum is 75.

The spelling of 42167779386708 in words is "forty-two trillion, one hundred sixty-seven billion, seven hundred seventy-nine million, three hundred eighty-six thousand, seven hundred eight".