3261878774 has 32 divisors (see below), whose sum is σ = 6458973696. Its totient is φ = 1196104320.

The previous prime is 3261878773. The next prime is 3261878797. The reversal of 3261878774 is 4778781623.

3261878774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3261878774³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261878771) 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, 620354 + ... + 625589.

It is an arithmetic number, because the mean of its divisors is an integer number (201842928).

Almost surely, 2^3261878774 is an apocalyptic number.

3261878774 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3261878774 is a deficient number, since it is larger than the sum of its proper divisors (3197094922).

3261878774 is a wasteful number, since it uses less digits than its factorization.

3261878774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245980.

The product of its digits is 3161088, while the sum is 53.

The square root of 3261878774 is about 57112.8599704130. The cubic root of 3261878774 is about 1483.0504974797.

The spelling of 3261878774 in words is "three billion, two hundred sixty-one million, eight hundred seventy-eight thousand, seven hundred seventy-four".