27880948 has 12 divisors (see below), whose sum is σ = 50474340. Its totient is φ = 13459712.

The previous prime is 27880939. The next prime is 27881027. The reversal of 27880948 is 84908872.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 5866084 = 4692^2 + 2422^2 .

It is a super-2 number, since 2×27880948² = 1554694522757408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27880898 and 27880907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120061 + ... + 120292.

It is an arithmetic number, because the mean of its divisors is an integer number (4206195).

Almost surely, 2^27880948 is an apocalyptic number.

It is an amenable number.

27880948 is a deficient number, since it is larger than the sum of its proper divisors (22593392).

27880948 is a wasteful number, since it uses less digits than its factorization.

27880948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240386 (or 240384 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 27880948 is about 5280.2412823658. The cubic root of 27880948 is about 303.2279143664.

The spelling of 27880948 in words is "twenty-seven million, eight hundred eighty thousand, nine hundred forty-eight".