99740085863 has 8 divisors (see below), whose sum is σ = 108835873536. Its totient is φ = 90649049400.

The previous prime is 99740085829. The next prime is 99740085877. The reversal of 99740085863 is 36858004799.

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 99740085863 - 2¹⁸ = 99739823719 is a prime.

It is a super-2 number, since 2×99740085863² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99740085803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143833 + ... + 1227938.

It is an arithmetic number, because the mean of its divisors is an integer number (13604484192).

Almost surely, 2^99740085863 is an apocalyptic number.

99740085863 is a deficient number, since it is larger than the sum of its proper divisors (9095787673).

99740085863 is a wasteful number, since it uses less digits than its factorization.

99740085863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375605.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 99740085863 in words is "ninety-nine billion, seven hundred forty million, eighty-five thousand, eight hundred sixty-three".