27390789552 has 80 divisors (see below), whose sum is σ = 80902837760. Its totient is φ = 7822573056.

The previous prime is 27390789541. The next prime is 27390789553. The reversal of 27390789552 is 25598709372.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27390789492 and 27390789501.

It is not an unprimeable number, because it can be changed into a prime (27390789553) 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, 824724 + ... + 857292.

It is an arithmetic number, because the mean of its divisors is an integer number (1011285472).

Almost surely, 2^27390789552 is an apocalyptic number.

It is an amenable number.

27390789552 is an abundant number, since it is smaller than the sum of its proper divisors (53512048208).

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

27390789552 is a wasteful number, since it uses less digits than its factorization.

27390789552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090 (or 35084 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 27390789552 in words is "twenty-seven billion, three hundred ninety million, seven hundred eighty-nine thousand, five hundred fifty-two".