84977135 has 16 divisors (see below), whose sum is σ = 108216000. Its totient is φ = 63837696.

The previous prime is 84977119. The next prime is 84977149. The reversal of 84977135 is 53177948.

It is a cyclic number.

It is not a de Polignac number, because 84977135 - 2⁴ = 84977119 is a prime.

It is a super-2 number, since 2×84977135² = 14442226945616450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50081 + ... + 51749.

It is an arithmetic number, because the mean of its divisors is an integer number (6763500).

Almost surely, 2^84977135 is an apocalyptic number.

84977135 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84977135 is a deficient number, since it is larger than the sum of its proper divisors (23238865).

84977135 is a wasteful number, since it uses less digits than its factorization.

84977135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its digits is 211680, while the sum is 44.

The square root of 84977135 is about 9218.3043451602. The cubic root of 84977135 is about 439.6435387741.

The spelling of 84977135 in words is "eighty-four million, nine hundred seventy-seven thousand, one hundred thirty-five".