36078197697 has 6 divisors (see below), whose sum is σ = 52112952242. Its totient is φ = 24052131792.

The previous prime is 36078197641. The next prime is 36078197711. The reversal of 36078197697 is 79679187063.

36078197697 is a `hidden beast` number, since 3 + 607 + 8 + 19 + 7 + 6 + 9 + 7 = 666.

36078197697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32607691776 + 3470505921 = 180576^2 + 58911^2 .

It is not a de Polignac number, because 36078197697 - 2¹¹ = 36078195649 is a prime.

It is a super-2 number, since 2×36078197697² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36078197627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2004344308 + ... + 2004344325.

Almost surely, 2^36078197697 is an apocalyptic number.

It is an amenable number.

36078197697 is a deficient number, since it is larger than the sum of its proper divisors (16034754545).

36078197697 is a wasteful number, since it uses less digits than its factorization.

36078197697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008688639 (or 4008688636 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 36078197697 in words is "thirty-six billion, seventy-eight million, one hundred ninety-seven thousand, six hundred ninety-seven".