27868926425 has 12 divisors (see below), whose sum is σ = 34559777616. Its totient is φ = 22293651600.

The previous prime is 27868926413. The next prime is 27868926479. The reversal of 27868926425 is 52462986872.

It is a happy number.

It is not a de Polignac number, because 27868926425 - 2⁴ = 27868926409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491810 + ... + 545540.

It is an arithmetic number, because the mean of its divisors is an integer number (2879981468).

Almost surely, 2^27868926425 is an apocalyptic number.

27868926425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27868926425 is a deficient number, since it is larger than the sum of its proper divisors (6690851191).

27868926425 is a wasteful number, since it uses less digits than its factorization.

27868926425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74488 (or 74483 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The spelling of 27868926425 in words is "twenty-seven billion, eight hundred sixty-eight million, nine hundred twenty-six thousand, four hundred twenty-five".