36135573978 has 32 divisors (see below), whose sum is σ = 82740303360. Its totient is φ = 10306361520.

The previous prime is 36135573967. The next prime is 36135573979. The reversal of 36135573978 is 87937553163.

36135573978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36135573979) 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, 729408 + ... + 777371.

It is an arithmetic number, because the mean of its divisors is an integer number (2585634480).

Almost surely, 2^36135573978 is an apocalyptic number.

36135573978 is an abundant number, since it is smaller than the sum of its proper divisors (46604729382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36135573978 is a wasteful number, since it uses less digits than its factorization.

36135573978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507362.

The product of its digits is 14288400, while the sum is 57.

The spelling of 36135573978 in words is "thirty-six billion, one hundred thirty-five million, five hundred seventy-three thousand, nine hundred seventy-eight".