880145613 has 24 divisors (see below), whose sum is σ = 1308205080. Its totient is φ = 569961600.

The previous prime is 880145593. The next prime is 880145627. The reversal of 880145613 is 316541088.

880145613 is a `hidden beast` number, since 8 + 80 + 14 + 561 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 553331529 + 326814084 = 23523^2 + 18078^2 .

It is not a de Polignac number, because 880145613 - 2⁶ = 880145549 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 (880145713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39043 + ... + 57311.

It is an arithmetic number, because the mean of its divisors is an integer number (54508545).

Almost surely, 2^880145613 is an apocalyptic number.

It is an amenable number.

880145613 is a deficient number, since it is larger than the sum of its proper divisors (428059467).

880145613 is a wasteful number, since it uses less digits than its factorization.

880145613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429 (or 18426 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 880145613 is about 29667.2481534773. The cubic root of 880145613 is about 958.3368240293.

The spelling of 880145613 in words is "eight hundred eighty million, one hundred forty-five thousand, six hundred thirteen".