84880465 has 16 divisors (see below), whose sum is σ = 106848000. Its totient is φ = 64608192.

The previous prime is 84880459. The next prime is 84880469. The reversal of 84880465 is 56408848.

It is a cyclic number.

It is not a de Polignac number, because 84880465 - 2¹³ = 84872273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84880469) 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, 21031 + ... + 24739.

It is an arithmetic number, because the mean of its divisors is an integer number (6678000).

Almost surely, 2^84880465 is an apocalyptic number.

It is an amenable number.

84880465 is a deficient number, since it is larger than the sum of its proper divisors (21967535).

84880465 is a wasteful number, since it uses less digits than its factorization.

84880465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 84880465 is about 9213.0594809759. The cubic root of 84880465 is about 439.4767626674.

It can be divided in two parts, 848804 and 65, that multiplied together give a triangular number (55172260 = T₁₀₅₀₄).

The spelling of 84880465 in words is "eighty-four million, eight hundred eighty thousand, four hundred sixty-five".