87793456766 has 8 divisors (see below), whose sum is σ = 131692479480. Its totient is φ = 43895963608.

The previous prime is 87793456679. The next prime is 87793456799. The reversal of 87793456766 is 66765439778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87793456766² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87793456696 and 87793456705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226121 + ... + 476148.

It is an arithmetic number, because the mean of its divisors is an integer number (16461559935).

Almost surely, 2^87793456766 is an apocalyptic number.

87793456766 is a deficient number, since it is larger than the sum of its proper divisors (43899022714).

87793456766 is a wasteful number, since it uses less digits than its factorization.

87793456766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764778.

The product of its digits is 320060160, while the sum is 68.

The spelling of 87793456766 in words is "eighty-seven billion, seven hundred ninety-three million, four hundred fifty-six thousand, seven hundred sixty-six".