3078491856 has 160 divisors (see below), whose sum is σ = 9225695232. Its totient is φ = 875297280.

The previous prime is 3078491849. The next prime is 3078491863. The reversal of 3078491856 is 6581948703.

It is an interprime number because it is at equal distance from previous prime (3078491849) and next prime (3078491863).

It is a super-2 number, since 2×3078491856² = 18954224214916649472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3078491799 and 3078491808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641241 + ... + 646023.

Almost surely, 2^3078491856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3078491856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612847616).

3078491856 is an abundant number, since it is smaller than the sum of its proper divisors (6147203376).

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

3078491856 is a wasteful number, since it uses less digits than its factorization.

3078491856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881 (or 4875 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 3078491856 is about 55484.1586040556. The cubic root of 3078491856 is about 1454.7197542471.

The spelling of 3078491856 in words is "three billion, seventy-eight million, four hundred ninety-one thousand, eight hundred fifty-six".