84267056157 has 4 divisors (see below), whose sum is σ = 112356074880. Its totient is φ = 56178037436.

The previous prime is 84267056141. The next prime is 84267056179. The reversal of 84267056157 is 75165076248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84267056157 - 2⁴ = 84267056141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84267056117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14044509357 + ... + 14044509362.

It is an arithmetic number, because the mean of its divisors is an integer number (28089018720).

Almost surely, 2^84267056157 is an apocalyptic number.

It is an amenable number.

84267056157 is a deficient number, since it is larger than the sum of its proper divisors (28089018723).

84267056157 is a wasteful number, since it uses less digits than its factorization.

84267056157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089018722.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 84267056157 in words is "eighty-four billion, two hundred sixty-seven million, fifty-six thousand, one hundred fifty-seven".