2467771878 has 192 divisors, whose sum is σ = 6252422400. Its totient is φ = 639206400.

The previous prime is 2467771871. The next prime is 2467771909. The reversal of 2467771878 is 8781777642.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2467771871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41826613 + ... + 41826671.

It is an arithmetic number, because the mean of its divisors is an integer number (32564700).

Almost surely, 2^2467771878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2467771878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126211200).

2467771878 is an abundant number, since it is smaller than the sum of its proper divisors (3784650522).

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

2467771878 is a wasteful number, since it uses less digits than its factorization.

2467771878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 158 counting only the distinct ones).

The product of its digits is 7375872, while the sum is 57.

The square root of 2467771878 is about 49676.6733789613. The cubic root of 2467771878 is about 1351.3515276985.

The spelling of 2467771878 in words is "two billion, four hundred sixty-seven million, seven hundred seventy-one thousand, eight hundred seventy-eight".