27900697 has 16 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 24283840.

The previous prime is 27900647. The next prime is 27900739. The reversal of 27900697 is 79600972.

It is a cyclic number.

It is not a de Polignac number, because 27900697 - 2¹⁵ = 27867929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27900617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47238 + ... + 47824.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^27900697 is an apocalyptic number.

It is an amenable number.

27900697 is a deficient number, since it is larger than the sum of its proper divisors (3851303).

27900697 is a wasteful number, since it uses less digits than its factorization.

27900697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 27900697 is about 5282.1110363187. Note that the first 3 decimals coincide. The cubic root of 27900697 is about 303.2994929308.

The spelling of 27900697 in words is "twenty-seven million, nine hundred thousand, six hundred ninety-seven".