25837878045 has 32 divisors (see below), whose sum is σ = 47253254400. Its totient is φ = 11809889280.

The previous prime is 25837878029. The next prime is 25837878067. The reversal of 25837878045 is 54087873852.

It is not a de Polignac number, because 25837878045 - 2⁴ = 25837878029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968485 + ... + 994805.

It is an arithmetic number, because the mean of its divisors is an integer number (1476664200).

Almost surely, 2^25837878045 is an apocalyptic number.

It is an amenable number.

25837878045 is a deficient number, since it is larger than the sum of its proper divisors (21415376355).

25837878045 is a wasteful number, since it uses less digits than its factorization.

25837878045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35685.

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 25837878045 in words is "twenty-five billion, eight hundred thirty-seven million, eight hundred seventy-eight thousand, forty-five".