27379836680 has 32 divisors (see below), whose sum is σ = 70405295040. Its totient is φ = 9387372480.

The previous prime is 27379836677. The next prime is 27379836691. The reversal of 27379836680 is 8663897372.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 48892286 + ... + 48892845.

It is an arithmetic number, because the mean of its divisors is an integer number (2200165470).

Almost surely, 2^27379836680 is an apocalyptic number.

27379836680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27379836680 is an abundant number, since it is smaller than the sum of its proper divisors (43025458360).

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

27379836680 is a wasteful number, since it uses less digits than its factorization.

27379836680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97785149 (or 97785145 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 27379836680 in words is "twenty-seven billion, three hundred seventy-nine million, eight hundred thirty-six thousand, six hundred eighty".