84377709165 has 16 divisors (see below), whose sum is σ = 135017971200. Its totient is φ = 44996899392.

The previous prime is 84377709161. The next prime is 84377709253. The reversal of 84377709165 is 56190777348.

It is a happy number.

It is not a de Polignac number, because 84377709165 - 2² = 84377709161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84377709161) 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, 127870 + ... + 430239.

It is an arithmetic number, because the mean of its divisors is an integer number (8438623200).

Almost surely, 2^84377709165 is an apocalyptic number.

It is an amenable number.

84377709165 is a deficient number, since it is larger than the sum of its proper divisors (50640262035).

84377709165 is a wasteful number, since it uses less digits than its factorization.

84377709165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568196.

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 84377709165 in words is "eighty-four billion, three hundred seventy-seven million, seven hundred nine thousand, one hundred sixty-five".