3478687380 has 108 divisors (see below), whose sum is σ = 12274828020. Its totient is φ = 795126528.

The previous prime is 3478687361. The next prime is 3478687397. The reversal of 3478687380 is 837868743.

3478687380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2760661764 + 718025616 = 52542^2 + 26796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 188385 + ... + 206024.

It is an arithmetic number, because the mean of its divisors is an integer number (113655815).

Almost surely, 2^3478687380 is an apocalyptic number.

3478687380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3478687380 is an abundant number, since it is smaller than the sum of its proper divisors (8796140640).

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

3478687380 is a wasteful number, since it uses less digits than its factorization.

3478687380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394438 (or 394426 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 3478687380 is about 58980.3982692555. The cubic root of 3478687380 is about 1515.2064156877.

The spelling of 3478687380 in words is "three billion, four hundred seventy-eight million, six hundred eighty-seven thousand, three hundred eighty".