35778985 has 16 divisors (see below), whose sum is σ = 47837952. Its totient is φ = 25465600.

The previous prime is 35778983. The next prime is 35779013. The reversal of 35778985 is 58987753.

It is not a de Polignac number, because 35778985 - 2¹ = 35778983 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (35778983) 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, 4336 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (2989872).

Almost surely, 2^35778985 is an apocalyptic number.

It is an amenable number.

35778985 is a deficient number, since it is larger than the sum of its proper divisors (12058967).

35778985 is a wasteful number, since it uses less digits than its factorization.

35778985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13904.

The product of its digits is 2116800, while the sum is 52.

The square root of 35778985 is about 5981.5537279205. The cubic root of 35778985 is about 329.5156193305.

It can be divided in two parts, 35778 and 985, that added together give a palindrome (36763).

The spelling of 35778985 in words is "thirty-five million, seven hundred seventy-eight thousand, nine hundred eighty-five".