7881001010 has 16 divisors (see below), whose sum is σ = 14217831936. Its totient is φ = 3145282608.

The previous prime is 7881000979. The next prime is 7881001033. The reversal of 7881001010 is 101001887.

It is a super-2 number, since 2×7881001010² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885074 + ... + 893933.

It is an arithmetic number, because the mean of its divisors is an integer number (888614496).

Almost surely, 2^7881001010 is an apocalyptic number.

7881001010 is a deficient number, since it is larger than the sum of its proper divisors (6336830926).

7881001010 is a wasteful number, since it uses less digits than its factorization.

7881001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779457.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 7881001010 is about 88775.0021684032. The cubic root of 7881001010 is about 1990.0338377957.

Adding to 7881001010 its reverse (101001887), we get a palindrome (7982002897).

The spelling of 7881001010 in words is "seven billion, eight hundred eighty-one million, one thousand, ten".