25876677660 has 24 divisors (see below), whose sum is σ = 72454697616. Its totient is φ = 6900447360.

The previous prime is 25876677649. The next prime is 25876677677. The reversal of 25876677660 is 6677667852.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 431277961 = 25876677660 / (2 + 5 + 8 + 7 + 6 + 6 + 7 + 7 + 6 + 6 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 25876677594 and 25876677603.

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, 215638921 + ... + 215639040.

It is an arithmetic number, because the mean of its divisors is an integer number (3018945734).

Almost surely, 2^25876677660 is an apocalyptic number.

25876677660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25876677660 is an abundant number, since it is smaller than the sum of its proper divisors (46578019956).

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

25876677660 is a wasteful number, since it uses less digits than its factorization.

25876677660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431277973 (or 431277971 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 25876677660 in words is "twenty-five billion, eight hundred seventy-six million, six hundred seventy-seven thousand, six hundred sixty".