99648759 has 32 divisors (see below), whose sum is σ = 156411904. Its totient is φ = 55248480.

The previous prime is 99648751. The next prime is 99648767. The reversal of 99648759 is 95784699.

It is an interprime number because it is at equal distance from previous prime (99648751) and next prime (99648767).

It is not a de Polignac number, because 99648759 - 2³ = 99648751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99648699 and 99648708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99648751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190272 + ... + 190794.

It is an arithmetic number, because the mean of its divisors is an integer number (4887872).

Almost surely, 2^99648759 is an apocalyptic number.

99648759 is a deficient number, since it is larger than the sum of its proper divisors (56763145).

99648759 is a wasteful number, since it uses less digits than its factorization.

99648759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 4898880, while the sum is 57.

The square root of 99648759 is about 9982.4225015775. The cubic root of 99648759 is about 463.6148070890.

The spelling of 99648759 in words is "ninety-nine million, six hundred forty-eight thousand, seven hundred fifty-nine".