27795573420 has 48 divisors (see below), whose sum is σ = 78170496768. Its totient is φ = 7379496640.

The previous prime is 27795573419. The next prime is 27795573503. The reversal of 27795573420 is 2437559772.

It is a super-2 number, since 2×27795573420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006776 + ... + 1034015.

It is an arithmetic number, because the mean of its divisors is an integer number (1628552016).

Almost surely, 2^27795573420 is an apocalyptic number.

27795573420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27795573420 is an abundant number, since it is smaller than the sum of its proper divisors (50374923348).

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

27795573420 is a wasteful number, since it uses less digits than its factorization.

27795573420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041030 (or 2041028 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 27795573420 in words is "twenty-seven billion, seven hundred ninety-five million, five hundred seventy-three thousand, four hundred twenty".