2478820827 has 16 divisors (see below), whose sum is σ = 3839174912. Its totient is φ = 1393247520.

The previous prime is 2478820823. The next prime is 2478820829. The reversal of 2478820827 is 7280288742.

It is not a de Polignac number, because 2478820827 - 2² = 2478820823 is a prime.

It is a super-2 number, since 2×2478820827² = 12289105384737927858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478820823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966253 + ... + 968814.

It is an arithmetic number, because the mean of its divisors is an integer number (239948432).

Almost surely, 2^2478820827 is an apocalyptic number.

2478820827 is a deficient number, since it is larger than the sum of its proper divisors (1360354085).

2478820827 is a wasteful number, since it uses less digits than its factorization.

2478820827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935138.

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 2478820827 is about 49787.7578024960. The cubic root of 2478820827 is about 1353.3653261882.

The spelling of 2478820827 in words is "two billion, four hundred seventy-eight million, eight hundred twenty thousand, eight hundred twenty-seven".