99546278745 has 8 divisors (see below), whose sum is σ = 159274046016. Its totient is φ = 53091348656.

The previous prime is 99546278737. The next prime is 99546278747. The reversal of 99546278745 is 54787264599.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99546278745 - 2³ = 99546278737 is a prime.

It is a super-2 number, since 2×99546278745² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99546278747) 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, 3318209277 + ... + 3318209306.

It is an arithmetic number, because the mean of its divisors is an integer number (19909255752).

Almost surely, 2^99546278745 is an apocalyptic number.

It is an amenable number.

99546278745 is a deficient number, since it is larger than the sum of its proper divisors (59727767271).

99546278745 is a wasteful number, since it uses less digits than its factorization.

99546278745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636418591.

The product of its digits is 152409600, while the sum is 66.

The spelling of 99546278745 in words is "ninety-nine billion, five hundred forty-six million, two hundred seventy-eight thousand, seven hundred forty-five".