27857599946 has 16 divisors (see below), whose sum is σ = 45608107968. Its totient is φ = 12656172000.

The previous prime is 27857599927. The next prime is 27857599951. The reversal of 27857599946 is 64999575872.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27857599946.

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, 273830 + ... + 361521.

It is an arithmetic number, because the mean of its divisors is an integer number (2850506748).

Almost surely, 2^27857599946 is an apocalyptic number.

27857599946 is a deficient number, since it is larger than the sum of its proper divisors (17750508022).

27857599946 is a wasteful number, since it uses less digits than its factorization.

27857599946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637357.

The product of its digits is 342921600, while the sum is 71.

The spelling of 27857599946 in words is "twenty-seven billion, eight hundred fifty-seven million, five hundred ninety-nine thousand, nine hundred forty-six".