27964809190 has 8 divisors (see below), whose sum is σ = 50336656560. Its totient is φ = 11185923672.

The previous prime is 27964809179. The next prime is 27964809211. The reversal of 27964809190 is 9190846972.

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

It is a super-2 number, since 2×27964809190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1398240450 + ... + 1398240469.

It is an arithmetic number, because the mean of its divisors is an integer number (6292082070).

Almost surely, 2^27964809190 is an apocalyptic number.

27964809190 is a deficient number, since it is larger than the sum of its proper divisors (22371847370).

27964809190 is a wasteful number, since it uses less digits than its factorization.

27964809190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796480926.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 27964809190 in words is "twenty-seven billion, nine hundred sixty-four million, eight hundred nine thousand, one hundred ninety".