3454778878 has 16 divisors (see below), whose sum is σ = 5199552000. Its totient is φ = 1721604952.

The previous prime is 3454778863. The next prime is 3454778893. The reversal of 3454778878 is 8788774543.

It is an interprime number because it is at equal distance from previous prime (3454778863) and next prime (3454778893).

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, 974433 + ... + 977971.

It is an arithmetic number, because the mean of its divisors is an integer number (324972000).

Almost surely, 2^3454778878 is an apocalyptic number.

3454778878 is a deficient number, since it is larger than the sum of its proper divisors (1744773122).

3454778878 is a wasteful number, since it uses less digits than its factorization.

3454778878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its digits is 42147840, while the sum is 61.

The square root of 3454778878 is about 58777.3670556959. The cubic root of 3454778878 is about 1511.7271697637.

The spelling of 3454778878 in words is "three billion, four hundred fifty-four million, seven hundred seventy-eight thousand, eight hundred seventy-eight".