27780050525 has 12 divisors (see below), whose sum is σ = 34451333664. Its totient is φ = 22221414000.

The previous prime is 27780050483. The next prime is 27780050539. The reversal of 27780050525 is 52505008772.

It is not a de Polignac number, because 27780050525 - 2¹⁴ = 27780034141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166160 + ... + 288390.

It is an arithmetic number, because the mean of its divisors is an integer number (2870944472).

Almost surely, 2^27780050525 is an apocalyptic number.

27780050525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27780050525 is a deficient number, since it is larger than the sum of its proper divisors (6671283139).

27780050525 is a wasteful number, since it uses less digits than its factorization.

27780050525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131332 (or 131327 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 27780050525 in words is "twenty-seven billion, seven hundred eighty million, fifty thousand, five hundred twenty-five".