26425978365 has 32 divisors (see below), whose sum is σ = 43657122816. Its totient is φ = 13635578880.

The previous prime is 26425978349. The next prime is 26425978417. The reversal of 26425978365 is 56387952462.

It is not a de Polignac number, because 26425978365 - 2⁴ = 26425978349 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, 3173187 + ... + 3181503.

It is an arithmetic number, because the mean of its divisors is an integer number (1364285088).

Almost surely, 2^26425978365 is an apocalyptic number.

It is an amenable number.

26425978365 is a deficient number, since it is larger than the sum of its proper divisors (17231144451).

26425978365 is a wasteful number, since it uses less digits than its factorization.

26425978365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189.

The product of its digits is 21772800, while the sum is 57.

The spelling of 26425978365 in words is "twenty-six billion, four hundred twenty-five million, nine hundred seventy-eight thousand, three hundred sixty-five".