3226878391 has 16 divisors (see below), whose sum is σ = 3641845536. Its totient is φ = 2833600000.

The previous prime is 3226878367. The next prime is 3226878397. The reversal of 3226878391 is 1938786223.

It is not a de Polignac number, because 3226878391 - 2¹⁵ = 3226845623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3226878397) 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, 10131 + ... + 80971.

It is an arithmetic number, because the mean of its divisors is an integer number (227615346).

Almost surely, 2^3226878391 is an apocalyptic number.

3226878391 is a deficient number, since it is larger than the sum of its proper divisors (414967145).

3226878391 is a wasteful number, since it uses less digits than its factorization.

3226878391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70994.

The product of its digits is 870912, while the sum is 49.

The square root of 3226878391 is about 56805.6193611160. The cubic root of 3226878391 is about 1477.7269696162.

The spelling of 3226878391 in words is "three billion, two hundred twenty-six million, eight hundred seventy-eight thousand, three hundred ninety-one".