3081237678 has 64 divisors (see below), whose sum is σ = 7088209920. Its totient is φ = 991370016.

The previous prime is 3081237647. The next prime is 3081237697. The reversal of 3081237678 is 8767321803.

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, 247675 + ... + 259817.

It is an arithmetic number, because the mean of its divisors is an integer number (110753280).

Almost surely, 2^3081237678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081237678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544104960).

3081237678 is an abundant number, since it is smaller than the sum of its proper divisors (4006972242).

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

3081237678 is a wasteful number, since it uses less digits than its factorization.

3081237678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12318 (or 12312 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 3081237678 is about 55508.8972868314. The cubic root of 3081237678 is about 1455.1521320363.

The spelling of 3081237678 in words is "three billion, eighty-one million, two hundred thirty-seven thousand, six hundred seventy-eight".