3078639680 has 56 divisors (see below), whose sum is σ = 7376111232. Its totient is φ = 1223880192.

The previous prime is 3078639643. The next prime is 3078639689. The reversal of 3078639680 is 869368703.

It is not an unprimeable number, because it can be changed into a prime (3078639689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22649 + ... + 81671.

It is an arithmetic number, because the mean of its divisors is an integer number (131716272).

Almost surely, 2^3078639680 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 3078639680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688055616).

3078639680 is an abundant number, since it is smaller than the sum of its proper divisors (4297471552).

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

3078639680 is a wasteful number, since it uses less digits than its factorization.

3078639680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59203 (or 59193 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 3078639680 is about 55485.4907160422. The cubic root of 3078639680 is about 1454.7430382729.

The spelling of 3078639680 in words is "three billion, seventy-eight million, six hundred thirty-nine thousand, six hundred eighty".