19772999996 has 12 divisors (see below), whose sum is σ = 36107217552. Its totient is φ = 9456652128.

The previous prime is 19772999993. The next prime is 19773000011. The reversal of 19772999996 is 69999927791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19772999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107461865 + ... + 107462048.

It is an arithmetic number, because the mean of its divisors is an integer number (3008934796).

Almost surely, 2^19772999996 is an apocalyptic number.

It is an amenable number.

19772999996 is a deficient number, since it is larger than the sum of its proper divisors (16334217556).

19772999996 is a wasteful number, since it uses less digits than its factorization.

19772999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214923940 (or 214923938 counting only the distinct ones).

The product of its digits is 312487308, while the sum is 77.

The spelling of 19772999996 in words is "nineteen billion, seven hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred ninety-six".