84637121117 has 8 divisors (see below), whose sum is σ = 86503507200. Its totient is φ = 82773468304.

The previous prime is 84637121087. The next prime is 84637121131. The reversal of 84637121117 is 71112173648.

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 84637121117 - 2¹⁴ = 84637104733 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 (84637121147) 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, 620642 + ... + 744627.

It is an arithmetic number, because the mean of its divisors is an integer number (10812938400).

Almost surely, 2^84637121117 is an apocalyptic number.

It is an amenable number.

84637121117 is a deficient number, since it is larger than the sum of its proper divisors (1866386083).

84637121117 is a wasteful number, since it uses less digits than its factorization.

84637121117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366635.

The product of its digits is 56448, while the sum is 41.

The spelling of 84637121117 in words is "eighty-four billion, six hundred thirty-seven million, one hundred twenty-one thousand, one hundred seventeen".