663573802087 has 8 divisors (see below), whose sum is σ = 758434243616. Its totient is φ = 568729406592.

The previous prime is 663573802019. The next prime is 663573802109. The reversal of 663573802087 is 780208375366.

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 663573802087 - 2⁷ = 663573801959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663573812087) 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, 3922758 + ... + 4088419.

It is an arithmetic number, because the mean of its divisors is an integer number (94804280452).

Almost surely, 2^663573802087 is an apocalyptic number.

663573802087 is a deficient number, since it is larger than the sum of its proper divisors (94860441529).

663573802087 is a wasteful number, since it uses less digits than its factorization.

663573802087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023017.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 663573802087 in words is "six hundred sixty-three billion, five hundred seventy-three million, eight hundred two thousand, eighty-seven".