3428851778 has 12 divisors (see below), whose sum is σ = 5653355190. Its totient is φ = 1558568880.

The previous prime is 3428851759. The next prime is 3428851787. The reversal of 3428851778 is 8771588243.

It can be written as a sum of positive squares in only one way, i.e., 2795977129 + 632874649 = 52877^2 + 25157^2 .

It is a super-2 number, since 2×3428851778² = 23514049030987522568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7084163 + ... + 7084646.

Almost surely, 2^3428851778 is an apocalyptic number.

3428851778 is a deficient number, since it is larger than the sum of its proper divisors (2224503412).

3428851778 is a wasteful number, since it uses less digits than its factorization.

3428851778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14168833 (or 14168822 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The square root of 3428851778 is about 58556.3982669699. The cubic root of 3428851778 is about 1507.9359806143.

The spelling of 3428851778 in words is "three billion, four hundred twenty-eight million, eight hundred fifty-one thousand, seven hundred seventy-eight".