27976340574 has 384 divisors, whose sum is σ = 80744832000. Its totient is φ = 7113173760.

The previous prime is 27976340551. The next prime is 27976340591. The reversal of 27976340574 is 47504367972.

27976340574 is a `hidden beast` number, since 2 + 7 + 9 + 7 + 63 + 4 + 0 + 574 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 27976340574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 140584527 + ... + 140584725.

It is an arithmetic number, because the mean of its divisors is an integer number (210273000).

Almost surely, 2^27976340574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27976340574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40372416000).

27976340574 is an abundant number, since it is smaller than the sum of its proper divisors (52768491426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27976340574 is a wasteful number, since it uses less digits than its factorization.

27976340574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 27976340574 in words is "twenty-seven billion, nine hundred seventy-six million, three hundred forty thousand, five hundred seventy-four".