763017973081 has 81 divisors (see below), whose sum is σ = 998421972093. Its totient is φ = 581128067520.

The previous prime is 763017973051. The next prime is 763017973103. The reversal of 763017973081 is 180379710367.

The square root of 763017973081 is 873509.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 97840712025 + 665177261056 = 312795^2 + 815584^2 .

It is not a de Polignac number, because 763017973081 - 2³¹ = 760870489433 is a prime.

It is a super-2 number, since 2×763017973081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (763017973001) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2305190086 + ... + 2305190416.

Almost surely, 2^763017973081 is an apocalyptic number.

763017973081 is the 873509-th square number.

763017973081 is the 436755-th centered octagonal number.

It is an amenable number.

763017973081 is a deficient number, since it is larger than the sum of its proper divisors (235403999012).

763017973081 is an equidigital number, since it uses as much as digits as its factorization.

763017973081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 763017973081 in words is "seven hundred sixty-three billion, seventeen million, nine hundred seventy-three thousand, eighty-one".