36000086999978 has 4 divisors (see below), whose sum is σ = 54000130499970. Its totient is φ = 18000043499988.

The previous prime is 36000086999957. The next prime is 36000087000011. The reversal of 36000086999978 is 87999968000063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34691357863969 + 1308729136009 = 5889937^2 + 1143997^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000021749993 + ... + 9000021749996.

Almost surely, 2^{36000086999978} is an apocalyptic number.

36000086999978 is a deficient number, since it is larger than the sum of its proper divisors (18000043499992).

36000086999978 is a wasteful number, since it uses less digits than its factorization.

36000086999978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000043499991.

The product of its (nonzero) digits is 317447424, while the sum is 74.

The spelling of 36000086999978 in words is "thirty-six trillion, eighty-six million, nine hundred ninety-nine thousand, nine hundred seventy-eight".