27998083745 has 8 divisors (see below), whose sum is σ = 35366000640. Its totient is φ = 21219600240.

The previous prime is 27998083709. The next prime is 27998083781. The reversal of 27998083745 is 54738089972.

It is an interprime number because it is at equal distance from previous prime (27998083709) and next prime (27998083781).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27998083745 - 2⁸ = 27998083489 is a prime.

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, 147358241 + ... + 147358430.

It is an arithmetic number, because the mean of its divisors is an integer number (4420750080).

Almost surely, 2^27998083745 is an apocalyptic number.

It is an amenable number.

27998083745 is a deficient number, since it is larger than the sum of its proper divisors (7367916895).

27998083745 is a wasteful number, since it uses less digits than its factorization.

27998083745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294716695.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 27998083745 in words is "twenty-seven billion, nine hundred ninety-eight million, eighty-three thousand, seven hundred forty-five".