109874983987 has 2 divisors, whose sum is σ = 109874983988. Its totient is φ = 109874983986.

The previous prime is 109874983973. The next prime is 109874983993. The reversal of 109874983987 is 789389478901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109874983987 is a prime.

It is a super-2 number, since 2×109874983987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109874983487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54937491993 + 54937491994.

It is an arithmetic number, because the mean of its divisors is an integer number (54937491994).

Almost surely, 2^109874983987 is an apocalyptic number.

109874983987 is a deficient number, since it is larger than the sum of its proper divisors (1).

109874983987 is an equidigital number, since it uses as much as digits as its factorization.

109874983987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 73.

The spelling of 109874983987 in words is "one hundred nine billion, eight hundred seventy-four million, nine hundred eighty-three thousand, nine hundred eighty-seven".