27960621834 has 16 divisors (see below), whose sum is σ = 57432629088. Its totient is φ = 9068309712.

The previous prime is 27960621781. The next prime is 27960621847. The reversal of 27960621834 is 43812606972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62974152 + ... + 62974595.

It is an arithmetic number, because the mean of its divisors is an integer number (3589539318).

Almost surely, 2^27960621834 is an apocalyptic number.

27960621834 is an abundant number, since it is smaller than the sum of its proper divisors (29472007254).

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

27960621834 is a wasteful number, since it uses less digits than its factorization.

27960621834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125948789.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 27960621834 in words is "twenty-seven billion, nine hundred sixty million, six hundred twenty-one thousand, eight hundred thirty-four".