27754927480 has 64 divisors (see below), whose sum is σ = 71390808000. Its totient is φ = 9513176064.

The previous prime is 27754927477. The next prime is 27754927489. The reversal of 27754927480 is 8472945772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27754927489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087506 + ... + 1112734.

It is an arithmetic number, because the mean of its divisors is an integer number (1115481375).

Almost surely, 2^27754927480 is an apocalyptic number.

27754927480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27754927480 is an abundant number, since it is smaller than the sum of its proper divisors (43635880520).

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

27754927480 is a wasteful number, since it uses less digits than its factorization.

27754927480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29176 (or 29172 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 27754927480 in words is "twenty-seven billion, seven hundred fifty-four million, nine hundred twenty-seven thousand, four hundred eighty".