2153878758 has 12 divisors (see below), whose sum is σ = 4666737348. Its totient is φ = 717959580.

The previous prime is 2153878751. The next prime is 2153878777. The reversal of 2153878758 is 8578783512.

2153878758 is a `hidden beast` number, since 21 + 538 + 7 + 87 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153878751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59829948 + ... + 59829983.

It is an arithmetic number, because the mean of its divisors is an integer number (388894779).

Almost surely, 2^2153878758 is an apocalyptic number.

2153878758 is an abundant number, since it is smaller than the sum of its proper divisors (2512858590).

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

2153878758 is a wasteful number, since it uses less digits than its factorization.

2153878758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119659939 (or 119659936 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The square root of 2153878758 is about 46409.8993534785. The cubic root of 2153878758 is about 1291.4385646257.

The spelling of 2153878758 in words is "two billion, one hundred fifty-three million, eight hundred seventy-eight thousand, seven hundred fifty-eight".