7878762403 has 2 divisors, whose sum is σ = 7878762404. Its totient is φ = 7878762402.

The previous prime is 7878762377. The next prime is 7878762407. The reversal of 7878762403 is 3042678787.

7878762403 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7878762403 - 2⁵ = 7878762371 is a prime.

It is not a weakly prime, because it can be changed into another prime (7878762407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939381201 + 3939381202.

It is an arithmetic number, because the mean of its divisors is an integer number (3939381202).

Almost surely, 2^7878762403 is an apocalyptic number.

7878762403 is a deficient number, since it is larger than the sum of its proper divisors (1).

7878762403 is an equidigital number, since it uses as much as digits as its factorization.

7878762403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The square root of 7878762403 is about 88762.3929544489. The cubic root of 7878762403 is about 1989.8453961858.

The spelling of 7878762403 in words is "seven billion, eight hundred seventy-eight million, seven hundred sixty-two thousand, four hundred three".