628130278176 has 48 divisors (see below), whose sum is σ = 1653566544000. Its totient is φ = 208776814848.

The previous prime is 628130278169. The next prime is 628130278183. The reversal of 628130278176 is 671872031826.

It is an interprime number because it is at equal distance from previous prime (628130278169) and next prime (628130278183).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×628130278176² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9340456 + ... + 9407463.

It is an arithmetic number, because the mean of its divisors is an integer number (34449303000).

Almost surely, 2^628130278176 is an apocalyptic number.

It is an amenable number.

628130278176 is an abundant number, since it is smaller than the sum of its proper divisors (1025436265824).

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

628130278176 is a wasteful number, since it uses less digits than its factorization.

628130278176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748281 (or 18748273 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 628130278176 in words is "six hundred twenty-eight billion, one hundred thirty million, two hundred seventy-eight thousand, one hundred seventy-six".