87146479 has 16 divisors (see below), whose sum is σ = 103749120. Its totient is φ = 71618400.

The previous prime is 87146473. The next prime is 87146489. The reversal of 87146479 is 97464178.

It is not a de Polignac number, because 87146479 - 2⁷ = 87146351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87146473) 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 15 ways as a sum of consecutive naturals, for example, 29232 + ... + 32074.

It is an arithmetic number, because the mean of its divisors is an integer number (6484320).

Almost surely, 2^87146479 is an apocalyptic number.

87146479 is a deficient number, since it is larger than the sum of its proper divisors (16602641).

87146479 is a wasteful number, since it uses less digits than its factorization.

87146479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030.

The product of its digits is 338688, while the sum is 46.

The square root of 87146479 is about 9335.2278493886. The cubic root of 87146479 is about 443.3533029742.

The spelling of 87146479 in words is "eighty-seven million, one hundred forty-six thousand, four hundred seventy-nine".