763221272646906 has 64 divisors (see below), whose sum is σ = 1767120704040960. Its totient is φ = 243899472057840.

The previous prime is 763221272646887. The next prime is 763221272646907. The reversal of 763221272646906 is 609646272122367.

It is a happy number.

763221272646906 is a `hidden beast` number, since 7 + 6 + 3 + 22 + 127 + 26 + 469 + 0 + 6 = 666.

It is a super-3 number, since 3×763221272646906³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (763221272646907) 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, 2130319416 + ... + 2130677651.

It is an arithmetic number, because the mean of its divisors is an integer number (27611261000640).

Almost surely, 2^{763221272646906} is an apocalyptic number.

763221272646906 is an abundant number, since it is smaller than the sum of its proper divisors (1003899431394054).

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

763221272646906 is a wasteful number, since it uses less digits than its factorization.

763221272646906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260997216 (or 4260997210 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 763221272646906 in words is "seven hundred sixty-three trillion, two hundred twenty-one billion, two hundred seventy-two million, six hundred forty-six thousand, nine hundred six".