108019772494 has 16 divisors (see below), whose sum is σ = 163831500000. Its totient is φ = 53410166784.

The previous prime is 108019772491. The next prime is 108019772557. The reversal of 108019772494 is 494277910801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108019772491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19407 + ... + 465205.

It is an arithmetic number, because the mean of its divisors is an integer number (10239468750).

Almost surely, 2^108019772494 is an apocalyptic number.

108019772494 is a deficient number, since it is larger than the sum of its proper divisors (55811727506).

108019772494 is a wasteful number, since it uses less digits than its factorization.

108019772494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447147.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 108019772494 in words is "one hundred eight billion, nineteen million, seven hundred seventy-two thousand, four hundred ninety-four".