84175000921 has 8 divisors (see below), whose sum is σ = 91834785504. Its totient is φ = 76516468320.

The previous prime is 84175000919. The next prime is 84175000981. The reversal of 84175000921 is 12900057148.

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 84175000921 - 2¹ = 84175000919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84175000981) 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, 169551 + ... + 443956.

It is an arithmetic number, because the mean of its divisors is an integer number (11479348188).

Almost surely, 2^84175000921 is an apocalyptic number.

It is an amenable number.

84175000921 is a deficient number, since it is larger than the sum of its proper divisors (7659784583).

84175000921 is a wasteful number, since it uses less digits than its factorization.

84175000921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625991.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 84175000921 in words is "eighty-four billion, one hundred seventy-five million, nine hundred twenty-one", and thus it is an aban number.