27917420902 has 8 divisors (see below), whose sum is σ = 47858435856. Its totient is φ = 11964608952.

The previous prime is 27917420887. The next prime is 27917420933. The reversal of 27917420902 is 20902471972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997050733 + ... + 997050760.

It is an arithmetic number, because the mean of its divisors is an integer number (5982304482).

Almost surely, 2^27917420902 is an apocalyptic number.

27917420902 is a deficient number, since it is larger than the sum of its proper divisors (19941014954).

27917420902 is a wasteful number, since it uses less digits than its factorization.

27917420902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994101502.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 27917420902 in words is "twenty-seven billion, nine hundred seventeen million, four hundred twenty thousand, nine hundred two".