87752663 has 8 divisors (see below), whose sum is σ = 90066816. Its totient is φ = 85468600.

The previous prime is 87752653. The next prime is 87752681. The reversal of 87752663 is 36625778.

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 87752663 - 2⁸ = 87752407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87752603) 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, 1553 + ... + 13338.

It is an arithmetic number, because the mean of its divisors is an integer number (11258352).

Almost surely, 2^87752663 is an apocalyptic number.

87752663 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

87752663 is a deficient number, since it is larger than the sum of its proper divisors (2314153).

87752663 is a wasteful number, since it uses less digits than its factorization.

87752663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045.

The product of its digits is 423360, while the sum is 44.

The square root of 87752663 is about 9367.6391369437. The cubic root of 87752663 is about 444.3789054447.

The spelling of 87752663 in words is "eighty-seven million, seven hundred fifty-two thousand, six hundred sixty-three".