25830258078 has 16 divisors (see below), whose sum is σ = 51672249216. Its totient is φ = 8608130520.

The previous prime is 25830258053. The next prime is 25830258079. The reversal of 25830258078 is 87085203852.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25830258079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460128 + ... + 513203.

It is an arithmetic number, because the mean of its divisors is an integer number (3229515576).

Almost surely, 2^25830258078 is an apocalyptic number.

25830258078 is an abundant number, since it is smaller than the sum of its proper divisors (25841991138).

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

25830258078 is a wasteful number, since it uses less digits than its factorization.

25830258078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977759.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 25830258078 in words is "twenty-five billion, eight hundred thirty million, two hundred fifty-eight thousand, seventy-eight".