27761428120 has 32 divisors (see below), whose sum is σ = 63521917200. Its totient is φ = 10916357248.

The previous prime is 27761428103. The next prime is 27761428133. The reversal of 27761428120 is 2182416772.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5879299 + ... + 5884018.

Almost surely, 2^27761428120 is an apocalyptic number.

27761428120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27761428120 is an abundant number, since it is smaller than the sum of its proper divisors (35760489080).

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

27761428120 is a wasteful number, since it uses less digits than its factorization.

27761428120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763387 (or 11763383 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 27761428120 in words is "twenty-seven billion, seven hundred sixty-one million, four hundred twenty-eight thousand, one hundred twenty".