27958906412 has 6 divisors (see below), whose sum is σ = 48928086228. Its totient is φ = 13979453204.

The previous prime is 27958906411. The next prime is 27958906439. The reversal of 27958906412 is 21460985972.

It is not an unprimeable number, because it can be changed into a prime (27958906411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494863298 + ... + 3494863305.

It is an arithmetic number, because the mean of its divisors is an integer number (8154681038).

Almost surely, 2^27958906412 is an apocalyptic number.

It is an amenable number.

27958906412 is a deficient number, since it is larger than the sum of its proper divisors (20969179816).

27958906412 is a wasteful number, since it uses less digits than its factorization.

27958906412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989726607 (or 6989726605 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 27958906412 in words is "twenty-seven billion, nine hundred fifty-eight million, nine hundred six thousand, four hundred twelve".