108974772819 has 32 divisors (see below), whose sum is σ = 176154240000. Its totient is φ = 66032794080.

The previous prime is 108974772799. The next prime is 108974772857. The reversal of 108974772819 is 918277479801.

108974772819 is a `hidden beast` number, since 1 + 0 + 89 + 7 + 477 + 2 + 81 + 9 = 666.

It is not a de Polignac number, because 108974772819 - 2¹⁷ = 108974641747 is a prime.

It is a super-4 number, since 4×108974772819⁴ (a number of 45 digits) contains 4444 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 (108974774819) 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, 1675542 + ... + 1739364.

It is an arithmetic number, because the mean of its divisors is an integer number (5504820000).

Almost surely, 2^108974772819 is an apocalyptic number.

108974772819 is a deficient number, since it is larger than the sum of its proper divisors (67179467181).

108974772819 is a wasteful number, since it uses less digits than its factorization.

108974772819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69592 (or 69586 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 63.

The spelling of 108974772819 in words is "one hundred eight billion, nine hundred seventy-four million, seven hundred seventy-two thousand, eight hundred nineteen".