27890625086 has 8 divisors (see below), whose sum is σ = 42966638760. Its totient is φ = 13568412168.

The previous prime is 27890625071. The next prime is 27890625089. The reversal of 27890625086 is 68052609872.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27890625089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188450096 + ... + 188450243.

It is an arithmetic number, because the mean of its divisors is an integer number (5370829845).

Almost surely, 2^27890625086 is an apocalyptic number.

27890625086 is a deficient number, since it is larger than the sum of its proper divisors (15076013674).

27890625086 is a wasteful number, since it uses less digits than its factorization.

27890625086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376900378.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 27890625086 in words is "twenty-seven billion, eight hundred ninety million, six hundred twenty-five thousand, eighty-six".