627122380 has 12 divisors (see below), whose sum is σ = 1316957040. Its totient is φ = 250848944.

The previous prime is 627122371. The next prime is 627122407. The reversal of 627122380 is 83221726.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15678040 + ... + 15678079.

It is an arithmetic number, because the mean of its divisors is an integer number (109746420).

Almost surely, 2^627122380 is an apocalyptic number.

It is an amenable number.

627122380 is an abundant number, since it is smaller than the sum of its proper divisors (689834660).

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

627122380 is a wasteful number, since it uses less digits than its factorization.

627122380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31356128 (or 31356126 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 627122380 is about 25042.4116250812. The cubic root of 627122380 is about 855.9546715887.

The spelling of 627122380 in words is "six hundred twenty-seven million, one hundred twenty-two thousand, three hundred eighty".