87956951 has 8 divisors (see below), whose sum is σ = 90964608. Its totient is φ = 84960000.

The previous prime is 87956923. The next prime is 87956969. The reversal of 87956951 is 15965978.

It is a happy number.

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 87956951 - 2²² = 83762647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87956951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87956051) 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, 16271 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (11370576).

Almost surely, 2^87956951 is an apocalyptic number.

87956951 is a deficient number, since it is larger than the sum of its proper divisors (3007657).

87956951 is a wasteful number, since it uses less digits than its factorization.

87956951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its digits is 680400, while the sum is 50.

The square root of 87956951 is about 9378.5367195528. The cubic root of 87956951 is about 444.7234758904.

The spelling of 87956951 in words is "eighty-seven million, nine hundred fifty-six thousand, nine hundred fifty-one".