7681426077 has 16 divisors (see below), whose sum is σ = 11610253760. Its totient is φ = 4478239872.

The previous prime is 7681426063. The next prime is 7681426139. The reversal of 7681426077 is 7706241867.

It is not a de Polignac number, because 7681426077 - 2⁴ = 7681426061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7681426007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5182408 + ... + 5183889.

It is an arithmetic number, because the mean of its divisors is an integer number (725640860).

Almost surely, 2^7681426077 is an apocalyptic number.

It is an amenable number.

7681426077 is a deficient number, since it is larger than the sum of its proper divisors (3928827683).

7681426077 is a wasteful number, since it uses less digits than its factorization.

7681426077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366332.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 7681426077 is about 87643.7452246308. The cubic root of 7681426077 is about 1973.0917702509.

The spelling of 7681426077 in words is "seven billion, six hundred eighty-one million, four hundred twenty-six thousand, seventy-seven".