628077895 has 8 divisors (see below), whose sum is σ = 762162480. Its totient is φ = 496816320.

The previous prime is 628077883. The next prime is 628077929. The reversal of 628077895 is 598770826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 628077895 - 2²⁵ = 594523463 is a prime.

It is a congruent number.

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, 705261 + ... + 706150.

It is an arithmetic number, because the mean of its divisors is an integer number (95270310).

Almost surely, 2^628077895 is an apocalyptic number.

628077895 is a deficient number, since it is larger than the sum of its proper divisors (134084585).

628077895 is a wasteful number, since it uses less digits than its factorization.

628077895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411505.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 628077895 is about 25061.4822985393. The cubic root of 628077895 is about 856.3891760911.

The spelling of 628077895 in words is "six hundred twenty-eight million, seventy-seven thousand, eight hundred ninety-five".