87845957 has 8 divisors (see below), whose sum is σ = 89286912. Its totient is φ = 86410800.

The previous prime is 87845951. The next prime is 87845977. The reversal of 87845957 is 75954878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87845957 - 2¹² = 87841861 is a prime.

It is a super-2 number, since 2×87845957² = 15433824322491698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87845899 and 87845908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87845951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37268 + ... + 39554.

It is an arithmetic number, because the mean of its divisors is an integer number (11160864).

Almost surely, 2^87845957 is an apocalyptic number.

It is an amenable number.

87845957 is a deficient number, since it is larger than the sum of its proper divisors (1440955).

87845957 is a wasteful number, since it uses less digits than its factorization.

87845957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its digits is 2822400, while the sum is 53.

The square root of 87845957 is about 9372.6174039059. The cubic root of 87845957 is about 444.5363297359.

It can be divided in two parts, 8784 and 5957, that added together give a palindrome (14741).

The spelling of 87845957 in words is "eighty-seven million, eight hundred forty-five thousand, nine hundred fifty-seven".