87957406 has 16 divisors (see below), whose sum is σ = 137571840. Its totient is φ = 42124320.

The previous prime is 87957391. The next prime is 87957407. The reversal of 87957406 is 60475978.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87957407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (8598240).

Almost surely, 2^87957406 is an apocalyptic number.

87957406 is a deficient number, since it is larger than the sum of its proper divisors (49614434).

87957406 is a wasteful number, since it uses less digits than its factorization.

87957406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 87957406 is about 9378.5609770369. The cubic root of 87957406 is about 444.7242427384.

It can be divided in two parts, 879 and 57406, that added together give a palindrome (58285).

The spelling of 87957406 in words is "eighty-seven million, nine hundred fifty-seven thousand, four hundred six".