27656312032 has 12 divisors (see below), whose sum is σ = 54448364376. Its totient is φ = 13828156000.

The previous prime is 27656311993. The next prime is 27656312039. The reversal of 27656312032 is 23021365672.

It is a super-2 number, since 2×27656312032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27656311982 and 27656312000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27656312039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432129844 + ... + 432129907.

It is an arithmetic number, because the mean of its divisors is an integer number (4537363698).

Almost surely, 2^27656312032 is an apocalyptic number.

It is an amenable number.

27656312032 is a deficient number, since it is larger than the sum of its proper divisors (26792052344).

27656312032 is an equidigital number, since it uses as much as digits as its factorization.

27656312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864259761 (or 864259753 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 27656312032 in words is "twenty-seven billion, six hundred fifty-six million, three hundred twelve thousand, thirty-two".