8879967491949 has 16 divisors (see below), whose sum is σ = 13163250552000. Its totient is φ = 5916493907568.

The previous prime is 8879967491947. The next prime is 8879967491951. The reversal of 8879967491949 is 9491947699788.

It is a happy number.

8879967491949 is a `hidden beast` number, since 8 + 8 + 79 + 9 + 6 + 7 + 491 + 9 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (8879967491947) and next prime (8879967491951).

It is not a de Polignac number, because 8879967491949 - 2¹ = 8879967491947 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8879967491947) 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 15 ways as a sum of consecutive naturals, for example, 96742734 + ... + 96834479.

It is an arithmetic number, because the mean of its divisors is an integer number (822703159500).

Almost surely, 2^{8879967491949} is an apocalyptic number.

It is an amenable number.

8879967491949 is a deficient number, since it is larger than the sum of its proper divisors (4283283060051).

8879967491949 is a wasteful number, since it uses less digits than its factorization.

8879967491949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193578921 (or 193578915 counting only the distinct ones).

The product of its digits is 17777055744, while the sum is 90.

The spelling of 8879967491949 in words is "eight trillion, eight hundred seventy-nine billion, nine hundred sixty-seven million, four hundred ninety-one thousand, nine hundred forty-nine".