26921590084 has 9 divisors (see below), whose sum is σ = 47113356927. Its totient is φ = 13460630964.

The previous prime is 26921590063. The next prime is 26921590139. The reversal of 26921590084 is 48009512962.

The square root of 26921590084 is 164078.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 287137 + ... + 369175.

Almost surely, 2^26921590084 is an apocalyptic number.

26921590084 is the 164078-th square number.

It is an amenable number.

26921590084 is a deficient number, since it is larger than the sum of its proper divisors (20191766843).

26921590084 is an frugal number, since it uses more digits than its factorization.

26921590084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164082 (or 82041 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 26921590084 in words is "twenty-six billion, nine hundred twenty-one million, five hundred ninety thousand, eighty-four".