647123588830 has 16 divisors (see below), whose sum is σ = 1215466915104. Its totient is φ = 247595112160.

The previous prime is 647123588827. The next prime is 647123588833. The reversal of 647123588830 is 38885321746.

It is an interprime number because it is at equal distance from previous prime (647123588827) and next prime (647123588833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647123588833) 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, 1406790181 + ... + 1406790640.

It is an arithmetic number, because the mean of its divisors is an integer number (75966682194).

Almost surely, 2^647123588830 is an apocalyptic number.

647123588830 is a deficient number, since it is larger than the sum of its proper divisors (568343326274).

647123588830 is a wasteful number, since it uses less digits than its factorization.

647123588830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813580851.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 647123588830 in words is "six hundred forty-seven billion, one hundred twenty-three million, five hundred eighty-eight thousand, eight hundred thirty".