718042087 has 16 divisors (see below), whose sum is σ = 827453952. Its totient is φ = 610362720.

The previous prime is 718042081. The next prime is 718042093. The reversal of 718042087 is 780240817.

It is an interprime number because it is at equal distance from previous prime (718042081) and next prime (718042093).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-718042087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718042081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493453 + ... + 494905.

It is an arithmetic number, because the mean of its divisors is an integer number (51715872).

Almost surely, 2^718042087 is an apocalyptic number.

718042087 is a deficient number, since it is larger than the sum of its proper divisors (109411865).

718042087 is a wasteful number, since it uses less digits than its factorization.

718042087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 718042087 is about 26796.3073388853. The cubic root of 718042087 is about 895.4677857979.

The spelling of 718042087 in words is "seven hundred eighteen million, forty-two thousand, eighty-seven".