2500761078 has 12 divisors (see below), whose sum is σ = 5418315708. Its totient is φ = 833587020.

The previous prime is 2500761061. The next prime is 2500761083. The reversal of 2500761078 is 8701670052.

2500761078 is a `hidden beast` number, since 2 + 500 + 76 + 10 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69465568 + ... + 69465603.

It is an arithmetic number, because the mean of its divisors is an integer number (451526309).

Almost surely, 2^2500761078 is an apocalyptic number.

2500761078 is an abundant number, since it is smaller than the sum of its proper divisors (2917554630).

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

2500761078 is a wasteful number, since it uses less digits than its factorization.

2500761078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138931179 (or 138931176 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 2500761078 is about 50007.6102008484. The cubic root of 2500761078 is about 1357.3465198926.

The spelling of 2500761078 in words is "two billion, five hundred million, seven hundred sixty-one thousand, seventy-eight".