27834190902 has 48 divisors (see below), whose sum is σ = 69697199520. Its totient is φ = 7863267456.

The previous prime is 27834190859. The next prime is 27834190907. The reversal of 27834190902 is 20909143872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27834190907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229833 + ... + 1252260.

It is an arithmetic number, because the mean of its divisors is an integer number (1452024990).

Almost surely, 2^27834190902 is an apocalyptic number.

27834190902 is an abundant number, since it is smaller than the sum of its proper divisors (41863008618).

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

27834190902 is a wasteful number, since it uses less digits than its factorization.

27834190902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482197 (or 2482194 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 27834190902 in words is "twenty-seven billion, eight hundred thirty-four million, one hundred ninety thousand, nine hundred two".