647860898677362 has 16 divisors (see below), whose sum is σ = 1313971400135232. Its totient is φ = 212912032429040.

The previous prime is 647860898677361. The next prime is 647860898677519. The reversal of 647860898677362 is 263776898068746.

It is a super-2 number, since 2×647860898677362² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (647860898677361) 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, 760400115393 + ... + 760400116244.

It is an arithmetic number, because the mean of its divisors is an integer number (82123212508452).

Almost surely, 2^{647860898677362} is an apocalyptic number.

647860898677362 is an abundant number, since it is smaller than the sum of its proper divisors (666110501457870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647860898677362 is a wasteful number, since it uses less digits than its factorization.

647860898677362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520800231713.

The product of its (nonzero) digits is 49161240576, while the sum is 87.

The spelling of 647860898677362 in words is "six hundred forty-seven trillion, eight hundred sixty billion, eight hundred ninety-eight million, six hundred seventy-seven thousand, three hundred sixty-two".