87905963 has 8 divisors (see below), whose sum is σ = 93749040. Its totient is φ = 82137600.

The previous prime is 87905953. The next prime is 87905981. The reversal of 87905963 is 36950978.

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 87905963 - 2⁴ = 87905947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87905953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16238 + ... + 20963.

It is an arithmetic number, because the mean of its divisors is an integer number (11718630).

Almost surely, 2^87905963 is an apocalyptic number.

87905963 is a deficient number, since it is larger than the sum of its proper divisors (5843077).

87905963 is a wasteful number, since it uses less digits than its factorization.

87905963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37357.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 87905963 is about 9375.8179909808. The cubic root of 87905963 is about 444.6375249665.

The spelling of 87905963 in words is "eighty-seven million, nine hundred five thousand, nine hundred sixty-three".