27696951 has 16 divisors (see below), whose sum is σ = 41222400. Its totient is φ = 18379224.

The previous prime is 27696931. The next prime is 27696971. The reversal of 27696951 is 15969672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27696931) and next prime (27696971).

It is not a de Polignac number, because 27696951 - 2¹⁴ = 27680567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27696897 and 27696906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27696931) 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, 3870 + ... + 8388.

It is an arithmetic number, because the mean of its divisors is an integer number (2576400).

Almost surely, 2^27696951 is an apocalyptic number.

27696951 is a deficient number, since it is larger than the sum of its proper divisors (13525449).

27696951 is a wasteful number, since it uses less digits than its factorization.

27696951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755 (or 4749 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 27696951 is about 5262.7892794601. The cubic root of 27696951 is about 302.5594027639.

The spelling of 27696951 in words is "twenty-seven million, six hundred ninety-six thousand, nine hundred fifty-one".