99542217267 has 6 divisors (see below), whose sum is σ = 143783202732. Its totient is φ = 66361478172.

The previous prime is 99542217263. The next prime is 99542217301. The reversal of 99542217267 is 76271224599.

99542217267 is a `hidden beast` number, since 9 + 9 + 542 + 21 + 72 + 6 + 7 = 666.

It is not a de Polignac number, because 99542217267 - 2² = 99542217263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99542217263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5530123173 + ... + 5530123190.

It is an arithmetic number, because the mean of its divisors is an integer number (23963867122).

Almost surely, 2^99542217267 is an apocalyptic number.

99542217267 is a deficient number, since it is larger than the sum of its proper divisors (44240985465).

99542217267 is a wasteful number, since it uses less digits than its factorization.

99542217267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060246369 (or 11060246366 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 99542217267 in words is "ninety-nine billion, five hundred forty-two million, two hundred seventeen thousand, two hundred sixty-seven".