99887742346 has 24 divisors (see below), whose sum is σ = 175169800800. Its totient is φ = 42593903352.

The previous prime is 99887742341. The next prime is 99887742403. The reversal of 99887742346 is 64324778899.

It is a happy number.

It is a super-2 number, since 2×99887742346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99887742341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2541460 + ... + 2580463.

It is an arithmetic number, because the mean of its divisors is an integer number (7298741700).

Almost surely, 2^99887742346 is an apocalyptic number.

99887742346 is a deficient number, since it is larger than the sum of its proper divisors (75282058454).

99887742346 is a wasteful number, since it uses less digits than its factorization.

99887742346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122138 (or 5122131 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 67.

The spelling of 99887742346 in words is "ninety-nine billion, eight hundred eighty-seven million, seven hundred forty-two thousand, three hundred forty-six".