84877065 has 160 divisors (see below), whose sum is σ = 195148800. Its totient is φ = 35054208.

The previous prime is 84877049. The next prime is 84877081. The reversal of 84877065 is 56077848.

It is an interprime number because it is at equal distance from previous prime (84877049) and next prime (84877081).

It is not a de Polignac number, because 84877065 - 2⁴ = 84877049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84877065.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1805872 + ... + 1805918.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^84877065 is an apocalyptic number.

It is an amenable number.

84877065 is an abundant number, since it is smaller than the sum of its proper divisors (110271735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84877065 is a wasteful number, since it uses less digits than its factorization.

84877065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 84877065 is about 9212.8749584481. The cubic root of 84877065 is about 439.4708946468.

The spelling of 84877065 in words is "eighty-four million, eight hundred seventy-seven thousand, sixty-five".