627698147640 has 32 divisors (see below), whose sum is σ = 1883094443280. Its totient is φ = 167386172672.

The previous prime is 627698147611. The next prime is 627698147669. The reversal of 627698147640 is 46741896726.

It is an interprime number because it is at equal distance from previous prime (627698147611) and next prime (627698147669).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615408829 + ... + 2615409068.

Almost surely, 2^627698147640 is an apocalyptic number.

627698147640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

627698147640 is an abundant number, since it is smaller than the sum of its proper divisors (1255396295640).

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

627698147640 is a wasteful number, since it uses less digits than its factorization.

627698147640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230817911 (or 5230817907 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 627698147640 in words is "six hundred twenty-seven billion, six hundred ninety-eight million, one hundred forty-seven thousand, six hundred forty".