9972199763 has 4 divisors (see below), whose sum is σ = 9994915920. Its totient is φ = 9949483608.

The previous prime is 9972199747. The next prime is 9972199777. The reversal of 9972199763 is 3679912799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9972199763 - 2⁴ = 9972199747 is a prime.

It is a super-2 number, since 2×9972199763² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9972199696 and 9972199705.

It is not an unprimeable number, because it can be changed into a prime (9972199063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11357420 + ... + 11358297.

It is an arithmetic number, because the mean of its divisors is an integer number (2498728980).

Almost surely, 2^9972199763 is an apocalyptic number.

9972199763 is a deficient number, since it is larger than the sum of its proper divisors (22716157).

9972199763 is a wasteful number, since it uses less digits than its factorization.

9972199763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22716156.

The product of its digits is 11573604, while the sum is 62.

The square root of 9972199763 is about 99860.9020738347. The cubic root of 9972199763 is about 2152.4363772679.

The spelling of 9972199763 in words is "nine billion, nine hundred seventy-two million, one hundred ninety-nine thousand, seven hundred sixty-three".