628479502 has 8 divisors (see below), whose sum is σ = 1077393456. Its totient is φ = 269348352.

The previous prime is 628479487. The next prime is 628479517. The reversal of 628479502 is 205974826.

It is an interprime number because it is at equal distance from previous prime (628479487) and next prime (628479517).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22445683 + ... + 22445710.

It is an arithmetic number, because the mean of its divisors is an integer number (134674182).

Almost surely, 2^628479502 is an apocalyptic number.

628479502 is a deficient number, since it is larger than the sum of its proper divisors (448913954).

628479502 is a wasteful number, since it uses less digits than its factorization.

628479502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44891402.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 628479502 is about 25069.4934531992. The cubic root of 628479502 is about 856.5716686400.

The spelling of 628479502 in words is "six hundred twenty-eight million, four hundred seventy-nine thousand, five hundred two".