27417890097 has 32 divisors (see below), whose sum is σ = 43787058560. Its totient is φ = 16855801920.

The previous prime is 27417890089. The next prime is 27417890119. The reversal of 27417890097 is 79009871472.

It is not a de Polignac number, because 27417890097 - 2³ = 27417890089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27417890047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320118 + ... + 396624.

It is an arithmetic number, because the mean of its divisors is an integer number (1368345580).

Almost surely, 2^27417890097 is an apocalyptic number.

27417890097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27417890097 is a deficient number, since it is larger than the sum of its proper divisors (16369168463).

27417890097 is a wasteful number, since it uses less digits than its factorization.

27417890097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77550 (or 77544 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 27417890097 in words is "twenty-seven billion, four hundred seventeen million, eight hundred ninety thousand, ninety-seven".