2485881678 has 64 divisors (see below), whose sum is σ = 6101111808. Its totient is φ = 659043840.

The previous prime is 2485881659. The next prime is 2485881683. The reversal of 2485881678 is 8761885842.

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, 26176 + ... + 75212.

It is an arithmetic number, because the mean of its divisors is an integer number (95329872).

Almost surely, 2^2485881678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2485881678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3050555904).

2485881678 is an abundant number, since it is smaller than the sum of its proper divisors (3615230130).

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

2485881678 is a wasteful number, since it uses less digits than its factorization.

2485881678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49137.

The product of its digits is 6881280, while the sum is 57.

The square root of 2485881678 is about 49858.6168881569. The cubic root of 2485881678 is about 1354.6491156277.

The spelling of 2485881678 in words is "two billion, four hundred eighty-five million, eight hundred eighty-one thousand, six hundred seventy-eight".