719113987 has 2 divisors, whose sum is σ = 719113988. Its totient is φ = 719113986.

The previous prime is 719113961. The next prime is 719114027. The reversal of 719113987 is 789311917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 719113987 - 2¹⁵ = 719081219 is a prime.

It is not a weakly prime, because it can be changed into another prime (719113687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359556993 + 359556994.

It is an arithmetic number, because the mean of its divisors is an integer number (359556994).

Almost surely, 2^719113987 is an apocalyptic number.

719113987 is a deficient number, since it is larger than the sum of its proper divisors (1).

719113987 is an equidigital number, since it uses as much as digits as its factorization.

719113987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 46.

The square root of 719113987 is about 26816.3007702405. The cubic root of 719113987 is about 895.9131518414.

The spelling of 719113987 in words is "seven hundred nineteen million, one hundred thirteen thousand, nine hundred eighty-seven".