2615325678 has 32 divisors (see below), whose sum is σ = 6642097920. Its totient is φ = 747235800.

The previous prime is 2615325677. The next prime is 2615325689. The reversal of 2615325678 is 8765235162.

2615325678 is a `hidden beast` number, since 2 + 61 + 532 + 56 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615325673) 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, 3459048 + ... + 3459803.

It is an arithmetic number, because the mean of its divisors is an integer number (207565560).

Almost surely, 2^2615325678 is an apocalyptic number.

2615325678 is an abundant number, since it is smaller than the sum of its proper divisors (4026772242).

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

2615325678 is a wasteful number, since it uses less digits than its factorization.

2615325678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918869 (or 6918863 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 2615325678 is about 51140.2549661223. The cubic root of 2615325678 is about 1377.7653531229.

The spelling of 2615325678 in words is "two billion, six hundred fifteen million, three hundred twenty-five thousand, six hundred seventy-eight".