951487987 has 2 divisors, whose sum is σ = 951487988. Its totient is φ = 951487986.

The previous prime is 951487963. The next prime is 951487997. The reversal of 951487987 is 789784159.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 951487987 - 2²³ = 943099379 is a prime.

It is not a weakly prime, because it can be changed into another prime (951487997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475743993 + 475743994.

It is an arithmetic number, because the mean of its divisors is an integer number (475743994).

Almost surely, 2^951487987 is an apocalyptic number.

951487987 is a deficient number, since it is larger than the sum of its proper divisors (1).

951487987 is an equidigital number, since it uses as much as digits as its factorization.

951487987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 58.

The square root of 951487987 is about 30846.1989068345. The cubic root of 951487987 is about 983.5605545839.

The spelling of 951487987 in words is "nine hundred fifty-one million, four hundred eighty-seven thousand, nine hundred eighty-seven".