27800880429 has 16 divisors (see below), whose sum is σ = 43348439552. Its totient is φ = 15516769968.

The previous prime is 27800880407. The next prime is 27800880431. The reversal of 27800880429 is 92408800872.

It is not a de Polignac number, because 27800880429 - 2¹¹ = 27800878381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800880329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15392719 + ... + 15394524.

It is an arithmetic number, because the mean of its divisors is an integer number (2709277472).

Almost surely, 2^27800880429 is an apocalyptic number.

It is an amenable number.

27800880429 is a deficient number, since it is larger than the sum of its proper divisors (15547559123).

27800880429 is a wasteful number, since it uses less digits than its factorization.

27800880429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30787296.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 27800880429 in words is "twenty-seven billion, eight hundred million, eight hundred eighty thousand, four hundred twenty-nine".