3506880078 has 48 divisors (see below), whose sum is σ = 8188820640. Its totient is φ = 1078235712.

The previous prime is 3506880077. The next prime is 3506880089. The reversal of 3506880078 is 8700886053.

3506880078 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 is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506880077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360000 + ... + 369612.

It is an arithmetic number, because the mean of its divisors is an integer number (170600430).

Almost surely, 2^3506880078 is an apocalyptic number.

3506880078 is an abundant number, since it is smaller than the sum of its proper divisors (4681940562).

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

3506880078 is a wasteful number, since it uses less digits than its factorization.

3506880078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193 (or 11190 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 3506880078 is about 59218.9165554386. The cubic root of 3506880078 is about 1519.2886904398.

The spelling of 3506880078 in words is "three billion, five hundred six million, eight hundred eighty thousand, seventy-eight".