99606782 has 16 divisors (see below), whose sum is σ = 168251904. Its totient is φ = 43815000.

The previous prime is 99606781. The next prime is 99606827. The reversal of 99606782 is 28760699.

It is a super-2 number, since 2×99606782² = 19843022040791048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99606781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72344 + ... + 73707.

It is an arithmetic number, because the mean of its divisors is an integer number (10515744).

Almost surely, 2^99606782 is an apocalyptic number.

99606782 is a deficient number, since it is larger than the sum of its proper divisors (68645122).

99606782 is a wasteful number, since it uses less digits than its factorization.

99606782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146095.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 99606782 is about 9980.3197343572. The cubic root of 99606782 is about 463.5496987617.

The spelling of 99606782 in words is "ninety-nine million, six hundred six thousand, seven hundred eighty-two".