7678222071 has 16 divisors (see below), whose sum is σ = 11027587200. Its totient is φ = 4724010720.

The previous prime is 7678222067. The next prime is 7678222081. The reversal of 7678222071 is 1702228767.

It is not a de Polignac number, because 7678222071 - 2² = 7678222067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179556 + ... + 218166.

It is an arithmetic number, because the mean of its divisors is an integer number (689224200).

Almost surely, 2^7678222071 is an apocalyptic number.

7678222071 is a deficient number, since it is larger than the sum of its proper divisors (3349365129).

7678222071 is a wasteful number, since it uses less digits than its factorization.

7678222071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43726.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 7678222071 is about 87625.4647405650. The cubic root of 7678222071 is about 1972.8173994516.

The spelling of 7678222071 in words is "seven billion, six hundred seventy-eight million, two hundred twenty-two thousand, seventy-one".