35986987 has 2 divisors, whose sum is σ = 35986988. Its totient is φ = 35986986.

The previous prime is 35986981. The next prime is 35987027. The reversal of 35986987 is 78968953.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35986987 is a prime.

It is not a weakly prime, because it can be changed into another prime (35986981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17993493 + 17993494.

It is an arithmetic number, because the mean of its divisors is an integer number (17993494).

Almost surely, 2^35986987 is an apocalyptic number.

35986987 is a deficient number, since it is larger than the sum of its proper divisors (1).

35986987 is an equidigital number, since it uses as much as digits as its factorization.

35986987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 35986987 is about 5998.9154853190. The cubic root of 35986987 is about 330.1529349287.

It can be divided in two parts, 3598 and 6987, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 35986987 in words is "thirty-five million, nine hundred eighty-six thousand, nine hundred eighty-seven".