27952999197 has 8 divisors (see below), whose sum is σ = 37316738880. Its totient is φ = 18612296160.

The previous prime is 27952999133. The next prime is 27952999199. The reversal of 27952999197 is 79199925972.

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

It is not a de Polignac number, because 27952999197 - 2⁶ = 27952999133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27952999199) 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, 5756329 + ... + 5761182.

It is an arithmetic number, because the mean of its divisors is an integer number (4664592360).

Almost surely, 2^27952999197 is an apocalyptic number.

It is an amenable number.

27952999197 is a deficient number, since it is larger than the sum of its proper divisors (9363739683).

27952999197 is a wasteful number, since it uses less digits than its factorization.

27952999197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518323.

The product of its digits is 57868020, while the sum is 69.

The spelling of 27952999197 in words is "twenty-seven billion, nine hundred fifty-two million, nine hundred ninety-nine thousand, one hundred ninety-seven".