27199702397 has 16 divisors (see below), whose sum is σ = 31253577600. Its totient is φ = 23188092480.

The previous prime is 27199702393. The next prime is 27199702433. The reversal of 27199702397 is 79320799172.

It is not a de Polignac number, because 27199702397 - 2² = 27199702393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27199702393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628354 + ... + 1644972.

It is an arithmetic number, because the mean of its divisors is an integer number (1953348600).

Almost surely, 2^27199702397 is an apocalyptic number.

It is an amenable number.

27199702397 is a deficient number, since it is larger than the sum of its proper divisors (4053875203).

27199702397 is a wasteful number, since it uses less digits than its factorization.

27199702397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876.

The product of its (nonzero) digits is 3000564, while the sum is 56.

The spelling of 27199702397 in words is "twenty-seven billion, one hundred ninety-nine million, seven hundred two thousand, three hundred ninety-seven".