87415968429 has 12 divisors (see below), whose sum is σ = 126270085500. Its totient is φ = 58276123584.

The previous prime is 87415968391. The next prime is 87415968473. The reversal of 87415968429 is 92486951478.

87415968429 is a `hidden beast` number, since 87 + 41 + 5 + 96 + 8 + 429 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3944091204 + 83471877225 = 62802^2 + 288915^2 .

It is not a de Polignac number, because 87415968429 - 2¹⁷ = 87415837357 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 (87415968499) 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 11 ways as a sum of consecutive naturals, for example, 747097 + ... + 856145.

It is an arithmetic number, because the mean of its divisors is an integer number (10522507125).

Almost surely, 2^87415968429 is an apocalyptic number.

It is an amenable number.

87415968429 is a deficient number, since it is larger than the sum of its proper divisors (38854117071).

87415968429 is a wasteful number, since it uses less digits than its factorization.

87415968429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198124 (or 198121 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 87415968429 in words is "eighty-seven billion, four hundred fifteen million, nine hundred sixty-eight thousand, four hundred twenty-nine".