3695778867 has 24 divisors (see below), whose sum is σ = 5459120128. Its totient is φ = 2222201520.

The previous prime is 3695778859. The next prime is 3695778917. The reversal of 3695778867 is 7688775963.

It is not a de Polignac number, because 3695778867 - 2³ = 3695778859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3695778798 and 3695778807.

It is not an unprimeable number, because it can be changed into a prime (3695778817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6018 + ... + 86184.

Almost surely, 2^3695778867 is an apocalyptic number.

3695778867 is a deficient number, since it is larger than the sum of its proper divisors (1763341261).

3695778867 is a wasteful number, since it uses less digits than its factorization.

3695778867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80319 (or 80308 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 66.

The square root of 3695778867 is about 60792.9179016767. The cubic root of 3695778867 is about 1546.0919748616.

The spelling of 3695778867 in words is "three billion, six hundred ninety-five million, seven hundred seventy-eight thousand, eight hundred sixty-seven".