84157220663 has 8 divisors (see below), whose sum is σ = 84371263200. Its totient is φ = 83943411328.

The previous prime is 84157220599. The next prime is 84157220701. The reversal of 84157220663 is 36602275148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84157220663 - 2⁶ = 84157220599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84157220263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676070 + ... + 790812.

It is an arithmetic number, because the mean of its divisors is an integer number (10546407900).

Almost surely, 2^84157220663 is an apocalyptic number.

84157220663 is a deficient number, since it is larger than the sum of its proper divisors (214042537).

84157220663 is a wasteful number, since it uses less digits than its factorization.

84157220663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116601.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 84157220663 in words is "eighty-four billion, one hundred fifty-seven million, two hundred twenty thousand, six hundred sixty-three".