27828990429 has 16 divisors (see below), whose sum is σ = 39574770048. Its totient is φ = 17333868032.

The previous prime is 27828990421. The next prime is 27828990437. The reversal of 27828990429 is 92409982872.

It is an interprime number because it is at equal distance from previous prime (27828990421) and next prime (27828990437).

It is not a de Polignac number, because 27828990429 - 2³ = 27828990421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27828990421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984497 + ... + 1998470.

It is an arithmetic number, because the mean of its divisors is an integer number (2473423128).

Almost surely, 2^27828990429 is an apocalyptic number.

It is an amenable number.

27828990429 is a deficient number, since it is larger than the sum of its proper divisors (11745779619).

27828990429 is a wasteful number, since it uses less digits than its factorization.

27828990429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983124.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 27828990429 in words is "twenty-seven billion, eight hundred twenty-eight million, nine hundred ninety thousand, four hundred twenty-nine".