89666750 has 16 divisors (see below), whose sum is σ = 167856624. Its totient is φ = 35866600.

The previous prime is 89666747. The next prime is 89666761. The reversal of 89666750 is 5766698.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89666695 and 89666704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179084 + ... + 179583.

It is an arithmetic number, because the mean of its divisors is an integer number (10491039).

Almost surely, 2^89666750 is an apocalyptic number.

89666750 is a deficient number, since it is larger than the sum of its proper divisors (78189874).

89666750 is a wasteful number, since it uses less digits than its factorization.

89666750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358684 (or 358674 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 89666750 is about 9469.2528744352. The cubic root of 89666750 is about 447.5866690222.

The spelling of 89666750 in words is "eighty-nine million, six hundred sixty-six thousand, seven hundred fifty".