27487077420 has 48 divisors (see below), whose sum is σ = 83960529408. Its totient is φ = 6663533760.

The previous prime is 27487077413. The next prime is 27487077433. The reversal of 27487077420 is 2477078472.

It is a self number, because there is not a number n which added to its sum of digits gives 27487077420.

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, 20822884 + ... + 20824203.

It is an arithmetic number, because the mean of its divisors is an integer number (1749177696).

Almost surely, 2^27487077420 is an apocalyptic number.

27487077420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27487077420 is an abundant number, since it is smaller than the sum of its proper divisors (56473451988).

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

27487077420 is a wasteful number, since it uses less digits than its factorization.

27487077420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647110 (or 41647108 counting only the distinct ones).

The product of its (nonzero) digits is 1229312, while the sum is 48.

The spelling of 27487077420 in words is "twenty-seven billion, four hundred eighty-seven million, seventy-seven thousand, four hundred twenty".