3497977878 has 16 divisors (see below), whose sum is σ = 6997008576. Its totient is φ = 1165817160.

The previous prime is 3497977837. The next prime is 3497977909. The reversal of 3497977878 is 8787797943.

3497977878 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213 + ... + 83703.

It is an arithmetic number, because the mean of its divisors is an integer number (437313036).

Almost surely, 2^3497977878 is an apocalyptic number.

3497977878 is an abundant number, since it is smaller than the sum of its proper divisors (3499030698).

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

3497977878 is a wasteful number, since it uses less digits than its factorization.

3497977878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87739.

The product of its digits is 149361408, while the sum is 69.

The square root of 3497977878 is about 59143.7053117236. The cubic root of 3497977878 is about 1518.0020318296.

The spelling of 3497977878 in words is "three billion, four hundred ninety-seven million, nine hundred seventy-seven thousand, eight hundred seventy-eight".