3867813297 has 6 divisors (see below), whose sum is σ = 5586841442. Its totient is φ = 2578542192.

The previous prime is 3867813289. The next prime is 3867813311. The reversal of 3867813297 is 7923187683.

It can be written as a sum of positive squares in only one way, i.e., 3304985121 + 562828176 = 57489^2 + 23724^2 .

It is not a de Polignac number, because 3867813297 - 2³ = 3867813289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3867813217) 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, 214878508 + ... + 214878525.

Almost surely, 2^3867813297 is an apocalyptic number.

It is an amenable number.

3867813297 is a deficient number, since it is larger than the sum of its proper divisors (1719028145).

3867813297 is a wasteful number, since it uses less digits than its factorization.

3867813297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429757039 (or 429757036 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3867813297 is about 62191.7462128215. The cubic root of 3867813297 is about 1569.7187072282.

The spelling of 3867813297 in words is "three billion, eight hundred sixty-seven million, eight hundred thirteen thousand, two hundred ninety-seven".