84377076681 has 8 divisors (see below), whose sum is σ = 112527693504. Its totient is φ = 56238922160.

The previous prime is 84377076661. The next prime is 84377076713. The reversal of 84377076681 is 18667077348.

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 84377076681 - 2⁶ = 84377076617 is a prime.

It is a super-2 number, since 2×84377076681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84377076601) 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, 3099765 + ... + 3126866.

It is an arithmetic number, because the mean of its divisors is an integer number (14065961688).

Almost surely, 2^84377076681 is an apocalyptic number.

It is an amenable number.

84377076681 is a deficient number, since it is larger than the sum of its proper divisors (28150616823).

84377076681 is a wasteful number, since it uses less digits than its factorization.

84377076681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231151.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 84377076681 in words is "eighty-four billion, three hundred seventy-seven million, seventy-six thousand, six hundred eighty-one".