2278977384 has 16 divisors (see below), whose sum is σ = 5697443520. Its totient is φ = 759659120.

The previous prime is 2278977377. The next prime is 2278977391. The reversal of 2278977384 is 4837798722.

It is an interprime number because it is at equal distance from previous prime (2278977377) and next prime (2278977391).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47478672 + ... + 47478719.

It is an arithmetic number, because the mean of its divisors is an integer number (356090220).

Almost surely, 2^2278977384 is an apocalyptic number.

2278977384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2278977384 is an abundant number, since it is smaller than the sum of its proper divisors (3418466136).

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

2278977384 is a wasteful number, since it uses less digits than its factorization.

2278977384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94957400 (or 94957396 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The square root of 2278977384 is about 47738.6361765813. The cubic root of 2278977384 is about 1315.9720694484.

The spelling of 2278977384 in words is "two billion, two hundred seventy-eight million, nine hundred seventy-seven thousand, three hundred eighty-four".