2678077420 has 12 divisors (see below), whose sum is σ = 5623962624. Its totient is φ = 1071230960.

The previous prime is 2678077403. The next prime is 2678077421. The reversal of 2678077420 is 247708762.

It is not an unprimeable number, because it can be changed into a prime (2678077421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66951916 + ... + 66951955.

It is an arithmetic number, because the mean of its divisors is an integer number (468663552).

Almost surely, 2^2678077420 is an apocalyptic number.

2678077420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678077420 is an abundant number, since it is smaller than the sum of its proper divisors (2945885204).

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

2678077420 is a wasteful number, since it uses less digits than its factorization.

2678077420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133903880 (or 133903878 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 2678077420 is about 51750.1441543886. The cubic root of 2678077420 is about 1388.6976777787.

The spelling of 2678077420 in words is "two billion, six hundred seventy-eight million, seventy-seven thousand, four hundred twenty".