2383376778 has 64 divisors (see below), whose sum is σ = 5659632000. Its totient is φ = 740835072.

The previous prime is 2383376773. The next prime is 2383376791. The reversal of 2383376778 is 8776733832.

2383376778 is a `hidden beast` number, since 238 + 337 + 6 + 7 + 78 = 666.

It is a super-2 number, since 2×2383376778² = 11360969731819322568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2383376773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88153 + ... + 111971.

It is an arithmetic number, because the mean of its divisors is an integer number (88431750).

Almost surely, 2^2383376778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2383376778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2829816000).

2383376778 is an abundant number, since it is smaller than the sum of its proper divisors (3276255222).

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

2383376778 is a wasteful number, since it uses less digits than its factorization.

2383376778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956 (or 23950 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The square root of 2383376778 is about 48819.8400038345. The cubic root of 2383376778 is about 1335.7675878630.

The spelling of 2383376778 in words is "two billion, three hundred eighty-three million, three hundred seventy-six thousand, seven hundred seventy-eight".