3497931878 has 16 divisors (see below), whose sum is σ = 5999721504. Its totient is φ = 1498296960.

The previous prime is 3497931847. The next prime is 3497931881. The reversal of 3497931878 is 8781397943.

3497931878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 41075 + ... + 93182.

It is an arithmetic number, because the mean of its divisors is an integer number (374982594).

Almost surely, 2^3497931878 is an apocalyptic number.

3497931878 is a deficient number, since it is larger than the sum of its proper divisors (2501789626).

3497931878 is a wasteful number, since it uses less digits than its factorization.

3497931878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136127.

The product of its digits is 9144576, while the sum is 59.

The square root of 3497931878 is about 59143.3164271332. The cubic root of 3497931878 is about 1517.9953776614.

The spelling of 3497931878 in words is "three billion, four hundred ninety-seven million, nine hundred thirty-one thousand, eight hundred seventy-eight".