27896562672 has 40 divisors (see below), whose sum is σ = 78617587200. Its totient is φ = 8453503680.

The previous prime is 27896562637. The next prime is 27896562677. The reversal of 27896562672 is 27626569872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27896562677) 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, 26416672 + ... + 26417727.

It is an arithmetic number, because the mean of its divisors is an integer number (1965439680).

Almost surely, 2^27896562672 is an apocalyptic number.

27896562672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27896562672 is an abundant number, since it is smaller than the sum of its proper divisors (50721024528).

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

27896562672 is a wasteful number, since it uses less digits than its factorization.

27896562672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52834421 (or 52834415 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 27896562672 in words is "twenty-seven billion, eight hundred ninety-six million, five hundred sixty-two thousand, six hundred seventy-two".