628971607762 has 8 divisors (see below), whose sum is σ = 973891521792. Its totient is φ = 304341100500.

The previous prime is 628971607753. The next prime is 628971607787. The reversal of 628971607762 is 267706179826.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 628971607762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072351614 + ... + 5072351737.

It is an arithmetic number, because the mean of its divisors is an integer number (121736440224).

Almost surely, 2^628971607762 is an apocalyptic number.

628971607762 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

628971607762 is a deficient number, since it is larger than the sum of its proper divisors (344919914030).

628971607762 is a wasteful number, since it uses less digits than its factorization.

628971607762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144703384.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 628971607762 in words is "six hundred twenty-eight billion, nine hundred seventy-one million, six hundred seven thousand, seven hundred sixty-two".