87743963 has 4 divisors (see below), whose sum is σ = 87762960. Its totient is φ = 87724968.

The previous prime is 87743941. The next prime is 87743989. The reversal of 87743963 is 36934778.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87743963 - 2⁸ = 87743707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87743923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 13461.

It is an arithmetic number, because the mean of its divisors is an integer number (21940740).

Almost surely, 2^87743963 is an apocalyptic number.

87743963 is a deficient number, since it is larger than the sum of its proper divisors (18997).

87743963 is a wasteful number, since it uses less digits than its factorization.

87743963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18996.

The product of its digits is 762048, while the sum is 47.

The square root of 87743963 is about 9367.1747608337. The cubic root of 87743963 is about 444.3642193785.

The spelling of 87743963 in words is "eighty-seven million, seven hundred forty-three thousand, nine hundred sixty-three".