2478077860 has 24 divisors (see below), whose sum is σ = 5215222656. Its totient is φ = 989086560.

The previous prime is 2478077857. The next prime is 2478077887. The reversal of 2478077860 is 687708742.

It is a happy number.

It is a super-2 number, since 2×2478077860² = 12281739760444359200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 124546 + ... + 143065.

It is an arithmetic number, because the mean of its divisors is an integer number (217300944).

Almost surely, 2^2478077860 is an apocalyptic number.

2478077860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478077860 is an abundant number, since it is smaller than the sum of its proper divisors (2737144796).

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

2478077860 is a wasteful number, since it uses less digits than its factorization.

2478077860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268083 (or 268081 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 2478077860 is about 49780.2959010892. The cubic root of 2478077860 is about 1353.2300997610.

The spelling of 2478077860 in words is "two billion, four hundred seventy-eight million, seventy-seven thousand, eight hundred sixty".