35868987 has 72 divisors (see below), whose sum is σ = 68020992. Its totient is φ = 18370800.

The previous prime is 35868971. The next prime is 35869013. The reversal of 35868987 is 78986853.

It is a happy number.

It is not a de Polignac number, because 35868987 - 2⁴ = 35868971 is a prime.

It is a nialpdrome in base 3 and base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35868187) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 505162 + ... + 505232.

It is an arithmetic number, because the mean of its divisors is an integer number (944736).

Almost surely, 2^35868987 is an apocalyptic number.

35868987 is a deficient number, since it is larger than the sum of its proper divisors (32152005).

35868987 is an frugal number, since it uses more digits than its factorization.

35868987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 92 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 35868987 is about 5989.0722987788. The cubic root of 35868987 is about 329.7916867112.

The spelling of 35868987 in words is "thirty-five million, eight hundred sixty-eight thousand, nine hundred eighty-seven".