27969481008 has 80 divisors (see below), whose sum is σ = 91751746560. Its totient is φ = 7991279424.

The previous prime is 27969480997. The next prime is 27969481019. The reversal of 27969481008 is 80018496972.

It is an interprime number because it is at equal distance from previous prime (27969480997) and next prime (27969481019).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4621560 + ... + 4627607.

It is an arithmetic number, because the mean of its divisors is an integer number (1146896832).

Almost surely, 2^27969481008 is an apocalyptic number.

27969481008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27969481008 is an abundant number, since it is smaller than the sum of its proper divisors (63782265552).

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

27969481008 is a wasteful number, since it uses less digits than its factorization.

27969481008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249191 (or 9249179 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 27969481008 in words is "twenty-seven billion, nine hundred sixty-nine million, four hundred eighty-one thousand, eight".