71267772099 has 8 divisors (see below), whose sum is σ = 95249407312. Its totient is φ = 47398992480.

The previous prime is 71267772091. The next prime is 71267772109. The reversal of 71267772099 is 99027776217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71267772099 - 2³ = 71267772091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71267772091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28212424 + ... + 28214949.

It is an arithmetic number, because the mean of its divisors is an integer number (11906175914).

Almost surely, 2^71267772099 is an apocalyptic number.

71267772099 is a deficient number, since it is larger than the sum of its proper divisors (23981635213).

71267772099 is a wasteful number, since it uses less digits than its factorization.

71267772099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56427797.

The product of its (nonzero) digits is 4667544, while the sum is 57.

The spelling of 71267772099 in words is "seventy-one billion, two hundred sixty-seven million, seven hundred seventy-two thousand, ninety-nine".