628125312565 has 8 divisors (see below), whose sum is σ = 754577768448. Its totient is φ = 501948654480.

The previous prime is 628125312559. The next prime is 628125312569. The reversal of 628125312565 is 565213521826.

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

It is not a de Polignac number, because 628125312565 - 2¹¹ = 628125310517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628125312569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68944437 + ... + 68953546.

It is an arithmetic number, because the mean of its divisors is an integer number (94322221056).

Almost surely, 2^628125312565 is an apocalyptic number.

It is an amenable number.

628125312565 is a deficient number, since it is larger than the sum of its proper divisors (126452455883).

628125312565 is a wasteful number, since it uses less digits than its factorization.

628125312565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137898899.

The product of its digits is 864000, while the sum is 46.

The spelling of 628125312565 in words is "six hundred twenty-eight billion, one hundred twenty-five million, three hundred twelve thousand, five hundred sixty-five".