628407004479 has 32 divisors (see below), whose sum is σ = 905065574400. Its totient is φ = 386643586560.

The previous prime is 628407004447. The next prime is 628407004493. The reversal of 628407004479 is 974400704826.

It is a happy number.

It is not a de Polignac number, because 628407004479 - 2⁵ = 628407004447 is a prime.

It is a super-2 number, since 2×628407004479² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628407000479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2874034 + ... + 3084944.

It is an arithmetic number, because the mean of its divisors is an integer number (28283299200).

Almost surely, 2^628407004479 is an apocalyptic number.

628407004479 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

628407004479 is a deficient number, since it is larger than the sum of its proper divisors (276658569921).

628407004479 is a wasteful number, since it uses less digits than its factorization.

628407004479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212455.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 628407004479 in words is "six hundred twenty-eight billion, four hundred seven million, four thousand, four hundred seventy-nine".