7882610638 has 16 divisors (see below), whose sum is σ = 13522420224. Its totient is φ = 3375918360.

The previous prime is 7882610629. The next prime is 7882610641. The reversal of 7882610638 is 8360162887.

It is a junction number, because it is equal to n+sod(n) for n = 7882610591 and 7882610600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174298 + ... + 214813.

It is an arithmetic number, because the mean of its divisors is an integer number (845151264).

Almost surely, 2^7882610638 is an apocalyptic number.

7882610638 is a deficient number, since it is larger than the sum of its proper divisors (5639809586).

7882610638 is a wasteful number, since it uses less digits than its factorization.

7882610638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390567.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 7882610638 is about 88784.0674783488. The cubic root of 7882610638 is about 1990.1693111165.

The spelling of 7882610638 in words is "seven billion, eight hundred eighty-two million, six hundred ten thousand, six hundred thirty-eight".