99758953 has 18 divisors (see below), whose sum is σ = 118344426. Its totient is φ = 83831328.

The previous prime is 99758951. The next prime is 99758959. The reversal of 99758953 is 35985799.

It can be written as a sum of positive squares in only one way, i.e., 87459904 + 12299049 = 9352^2 + 3507^2 .

It is not a de Polignac number, because 99758953 - 2¹ = 99758951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99758894 and 99758903.

It is not an unprimeable number, because it can be changed into a prime (99758951) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 597276 + ... + 597442.

Almost surely, 2^99758953 is an apocalyptic number.

It is an amenable number.

99758953 is a deficient number, since it is larger than the sum of its proper divisors (18585473).

99758953 is an equidigital number, since it uses as much as digits as its factorization.

99758953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 247 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The square root of 99758953 is about 9987.9403782762. The cubic root of 99758953 is about 463.7856362789.

The spelling of 99758953 in words is "ninety-nine million, seven hundred fifty-eight thousand, nine hundred fifty-three".