84899037923015 has 16 divisors (see below), whose sum is σ = 107878995731232. Its totient is φ = 63919669223424.

The previous prime is 84899037922999. The next prime is 84899037923017. The reversal of 84899037923015 is 51032973099848.

It is a cyclic number.

It is not a de Polignac number, because 84899037923015 - 2⁴ = 84899037922999 is a prime.

It is a super-4 number, since 4×84899037923015⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84899037923017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32421914 + ... + 34942503.

It is an arithmetic number, because the mean of its divisors is an integer number (6742437233202).

Almost surely, 2^{84899037923015} is an apocalyptic number.

84899037923015 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84899037923015 is a deficient number, since it is larger than the sum of its proper divisors (22979957808217).

84899037923015 is a wasteful number, since it uses less digits than its factorization.

84899037923015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67379266.

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 84899037923015 in words is "eighty-four trillion, eight hundred ninety-nine billion, thirty-seven million, nine hundred twenty-three thousand, fifteen".