27680700476 has 48 divisors (see below), whose sum is σ = 58298069088. Its totient is φ = 11330995200.

The previous prime is 27680700473. The next prime is 27680700479. The reversal of 27680700476 is 67400708672.

It is an interprime number because it is at equal distance from previous prime (27680700473) and next prime (27680700479).

It is a self number, because there is not a number n which added to its sum of digits gives 27680700476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27680700473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566705 + ... + 613608.

It is an arithmetic number, because the mean of its divisors is an integer number (1214543106).

Almost surely, 2^27680700476 is an apocalyptic number.

27680700476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27680700476 is an abundant number, since it is smaller than the sum of its proper divisors (30617368612).

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

27680700476 is a wasteful number, since it uses less digits than its factorization.

27680700476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180382 (or 1180380 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 27680700476 in words is "twenty-seven billion, six hundred eighty million, seven hundred thousand, four hundred seventy-six".