98785669 has 4 divisors (see below), whose sum is σ = 98961696. Its totient is φ = 98609644.

The previous prime is 98785651. The next prime is 98785697. The reversal of 98785669 is 96658789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96658789 = 73 ⋅1324093.

It is a cyclic number.

It is not a de Polignac number, because 98785669 - 2⁹ = 98785157 is a prime.

It is a super-2 number, since 2×98785669² = 19517216799555122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98785619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87169 + ... + 88294.

It is an arithmetic number, because the mean of its divisors is an integer number (24740424).

Almost surely, 2^98785669 is an apocalyptic number.

It is an amenable number.

98785669 is a deficient number, since it is larger than the sum of its proper divisors (176027).

98785669 is a wasteful number, since it uses less digits than its factorization.

98785669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176026.

The product of its digits is 6531840, while the sum is 58.

The square root of 98785669 is about 9939.0979973034. The cubic root of 98785669 is about 462.2724182492.

The spelling of 98785669 in words is "ninety-eight million, seven hundred eighty-five thousand, six hundred sixty-nine".