27969785163372 has 96 divisors (see below), whose sum is σ = 72413797650880. Its totient is φ = 8349045166080.

The previous prime is 27969785163371. The next prime is 27969785163409. The reversal of 27969785163372 is 27336158796972.

It is a junction number, because it is equal to n+sod(n) for n = 27969785163294 and 27969785163303.

It is not an unprimeable number, because it can be changed into a prime (27969785163371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19437097 + ... + 20826432.

Almost surely, 2^{27969785163372} is an apocalyptic number.

It is an amenable number.

27969785163372 is an abundant number, since it is smaller than the sum of its proper divisors (44444012487508).

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

27969785163372 is a wasteful number, since it uses less digits than its factorization.

27969785163372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40263683 (or 40263681 counting only the distinct ones).

The product of its digits is 1440270720, while the sum is 75.

The spelling of 27969785163372 in words is "twenty-seven trillion, nine hundred sixty-nine billion, seven hundred eighty-five million, one hundred sixty-three thousand, three hundred seventy-two".