2539761078 has 16 divisors (see below), whose sum is σ = 5084058816. Its totient is φ = 845830920.

The previous prime is 2539761017. The next prime is 2539761097. The reversal of 2539761078 is 8701679352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181728 + ... + 195203.

It is an arithmetic number, because the mean of its divisors is an integer number (317753676).

Almost surely, 2^2539761078 is an apocalyptic number.

2539761078 is an abundant number, since it is smaller than the sum of its proper divisors (2544297738).

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

2539761078 is a wasteful number, since it uses less digits than its factorization.

2539761078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378059.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 2539761078 is about 50396.0422850843. The cubic root of 2539761078 is about 1364.3662079324.

The spelling of 2539761078 in words is "two billion, five hundred thirty-nine million, seven hundred sixty-one thousand, seventy-eight".