9479129877 has 24 divisors (see below), whose sum is σ = 15677068160. Its totient is φ = 5406613920.

The previous prime is 9479129867. The next prime is 9479129879. The reversal of 9479129877 is 7789219749.

9479129877 is a `hidden beast` number, since 9 + 479 + 1 + 2 + 98 + 77 = 666.

It is not a de Polignac number, because 9479129877 - 2¹¹ = 9479127829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479129879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104977 + ... + 173142.

Almost surely, 2^9479129877 is an apocalyptic number.

It is an amenable number.

9479129877 is a deficient number, since it is larger than the sum of its proper divisors (6197938283).

9479129877 is a wasteful number, since it uses less digits than its factorization.

9479129877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278673 (or 278670 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 63.

The square root of 9479129877 is about 97360.8231117630. The cubic root of 9479129877 is about 2116.3597399536.

The spelling of 9479129877 in words is "nine billion, four hundred seventy-nine million, one hundred twenty-nine thousand, eight hundred seventy-seven".