7681264391086 has 64 divisors (see below), whose sum is σ = 13578744324096. Its totient is φ = 3212796787200.

The previous prime is 7681264391077. The next prime is 7681264391107. The reversal of 7681264391086 is 6801934621867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126708595 + ... + 126769201.

It is an arithmetic number, because the mean of its divisors is an integer number (212167880064).

Almost surely, 2^{7681264391086} is an apocalyptic number.

7681264391086 is a deficient number, since it is larger than the sum of its proper divisors (5897479933010).

7681264391086 is a wasteful number, since it uses less digits than its factorization.

7681264391086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62017.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 7681264391086 in words is "seven trillion, six hundred eighty-one billion, two hundred sixty-four million, three hundred ninety-one thousand, eighty-six".