3477740856 has 64 divisors (see below), whose sum is σ = 8869461120. Its totient is φ = 1135954560.

The previous prime is 3477740837. The next prime is 3477740873. The reversal of 3477740856 is 6580477743.

It is a happy number.

3477740856 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-2 number, since 2×3477740856² = 24189362922983225472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3477740799 and 3477740808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630911 + ... + 1633041.

It is an arithmetic number, because the mean of its divisors is an integer number (138585330).

Almost surely, 2^3477740856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3477740856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4434730560).

3477740856 is an abundant number, since it is smaller than the sum of its proper divisors (5391720264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3477740856 is a wasteful number, since it uses less digits than its factorization.

3477740856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The square root of 3477740856 is about 58972.3736676760. The cubic root of 3477740856 is about 1515.0689778961.

The spelling of 3477740856 in words is "three billion, four hundred seventy-seven million, seven hundred forty thousand, eight hundred fifty-six".