1514687987 has 2 divisors, whose sum is σ = 1514687988. Its totient is φ = 1514687986.

The previous prime is 1514687971. The next prime is 1514688001. The reversal of 1514687987 is 7897864151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1514687987 - 2⁴ = 1514687971 is a prime.

It is a super-2 number, since 2×1514687987² = 4588559395924224338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1514687927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757343993 + 757343994.

It is an arithmetic number, because the mean of its divisors is an integer number (757343994).

Almost surely, 2^1514687987 is an apocalyptic number.

1514687987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1514687987 is an equidigital number, since it uses as much as digits as its factorization.

1514687987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 56.

The square root of 1514687987 is about 38918.9926257091. The cubic root of 1514687987 is about 1148.4384570311.

The spelling of 1514687987 in words is "one billion, five hundred fourteen million, six hundred eighty-seven thousand, nine hundred eighty-seven".