99546227751 has 4 divisors (see below), whose sum is σ = 132728303672. Its totient is φ = 66364151832.

The previous prime is 99546227743. The next prime is 99546227771. The reversal of 99546227751 is 15772264599.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99546227751 - 2³ = 99546227743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99546227691 and 99546227700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99546227771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16591037956 + ... + 16591037961.

It is an arithmetic number, because the mean of its divisors is an integer number (33182075918).

Almost surely, 2^99546227751 is an apocalyptic number.

99546227751 is a deficient number, since it is larger than the sum of its proper divisors (33182075921).

99546227751 is a wasteful number, since it uses less digits than its factorization.

99546227751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33182075920.

The product of its digits is 9525600, while the sum is 57.

The spelling of 99546227751 in words is "ninety-nine billion, five hundred forty-six million, two hundred twenty-seven thousand, seven hundred fifty-one".