71807967059 has 16 divisors (see below), whose sum is σ = 73746316512. Its totient is φ = 69893311488.

The previous prime is 71807967047. The next prime is 71807967073. The reversal of 71807967059 is 95076970817.

It is a cyclic number.

It is not a de Polignac number, because 71807967059 - 2⁴ = 71807967043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71807966989 and 71807967007.

It is not an unprimeable number, because it can be changed into a prime (71807967019) 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, 3675932 + ... + 3695414.

It is an arithmetic number, because the mean of its divisors is an integer number (4609144782).

Almost surely, 2^71807967059 is an apocalyptic number.

71807967059 is a deficient number, since it is larger than the sum of its proper divisors (1938349453).

71807967059 is a wasteful number, since it uses less digits than its factorization.

71807967059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086.

The product of its (nonzero) digits is 6667920, while the sum is 59.

The spelling of 71807967059 in words is "seventy-one billion, eight hundred seven million, nine hundred sixty-seven thousand, fifty-nine".