89719870 has 16 divisors (see below), whose sum is σ = 161611200. Its totient is φ = 35862304.

The previous prime is 89719841. The next prime is 89719871. The reversal of 89719870 is 7891798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89719871) 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, 18456 + ... + 22804.

It is an arithmetic number, because the mean of its divisors is an integer number (10100700).

Almost surely, 2^89719870 is an apocalyptic number.

89719870 is a deficient number, since it is larger than the sum of its proper divisors (71891330).

89719870 is a wasteful number, since it uses less digits than its factorization.

89719870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 89719870 is about 9472.0573266846. The cubic root of 89719870 is about 447.6750373800.

The spelling of 89719870 in words is "eighty-nine million, seven hundred nineteen thousand, eight hundred seventy".