36180778 has 8 divisors (see below), whose sum is σ = 55594980. Its totient is φ = 17649120.

The previous prime is 36180773. The next prime is 36180797. The reversal of 36180778 is 87708163.

It can be written as a sum of positive squares in 2 ways, for example, as 24532209 + 11648569 = 4953^2 + 3413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36180778.

It is not an unprimeable number, because it can be changed into a prime (36180773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220533 + ... + 220696.

Almost surely, 2^36180778 is an apocalyptic number.

36180778 is a deficient number, since it is larger than the sum of its proper divisors (19414202).

36180778 is a wasteful number, since it uses less digits than its factorization.

36180778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441272.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 36180778 is about 6015.0459682367. The cubic root of 36180778 is about 330.7445021327.

The spelling of 36180778 in words is "thirty-six million, one hundred eighty thousand, seven hundred seventy-eight".