99796555 has 4 divisors (see below), whose sum is σ = 119755872. Its totient is φ = 79837240.

The previous prime is 99796547. The next prime is 99796559. The reversal of 99796555 is 55569799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55569799 = 59 ⋅941861.

It is not a de Polignac number, because 99796555 - 2³ = 99796547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99796496 and 99796505.

It is not an unprimeable number, because it can be changed into a prime (99796559) 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, 9979651 + ... + 9979660.

It is an arithmetic number, because the mean of its divisors is an integer number (29938968).

Almost surely, 2^99796555 is an apocalyptic number.

99796555 is a deficient number, since it is larger than the sum of its proper divisors (19959317).

99796555 is a wasteful number, since it uses less digits than its factorization.

99796555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19959316.

The product of its digits is 3827250, while the sum is 55.

The square root of 99796555 is about 9989.8225709969. The cubic root of 99796555 is about 463.8439003121.

The spelling of 99796555 in words is "ninety-nine million, seven hundred ninety-six thousand, five hundred fifty-five".