3404520778 has 8 divisors (see below), whose sum is σ = 5193336960. Its totient is φ = 1673408460.

The previous prime is 3404520739. The next prime is 3404520857. The reversal of 3404520778 is 8770254043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3404520778.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14425818 + ... + 14426053.

It is an arithmetic number, because the mean of its divisors is an integer number (649167120).

Almost surely, 2^3404520778 is an apocalyptic number.

3404520778 is a deficient number, since it is larger than the sum of its proper divisors (1788816182).

3404520778 is a wasteful number, since it uses less digits than its factorization.

3404520778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851932.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 3404520778 is about 58348.2714225537. The cubic root of 3404520778 is about 1504.3607588290.

The spelling of 3404520778 in words is "three billion, four hundred four million, five hundred twenty thousand, seven hundred seventy-eight".