27249124947 has 8 divisors (see below), whose sum is σ = 39635090880. Its totient is φ = 16514621160.

The previous prime is 27249124939. The next prime is 27249124957. The reversal of 27249124947 is 74942194272.

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

It is not a de Polignac number, because 27249124947 - 2³ = 27249124939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27249124947.

It is not an unprimeable number, because it can be changed into a prime (27249124957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412865497 + ... + 412865562.

It is an arithmetic number, because the mean of its divisors is an integer number (4954386360).

Almost surely, 2^27249124947 is an apocalyptic number.

27249124947 is a deficient number, since it is larger than the sum of its proper divisors (12385965933).

27249124947 is a wasteful number, since it uses less digits than its factorization.

27249124947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825731073.

The product of its digits is 2032128, while the sum is 51.

The spelling of 27249124947 in words is "twenty-seven billion, two hundred forty-nine million, one hundred twenty-four thousand, nine hundred forty-seven".