8906788645 has 8 divisors (see below), whose sum is σ = 10759879800. Its totient is φ = 7077608640.

The previous prime is 8906788603. The next prime is 8906788661. The reversal of 8906788645 is 5468876098.

It can be written as a sum of positive squares in 4 ways, for example, as 125037124 + 8781751521 = 11182^2 + 93711^2 .

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

It is not a de Polignac number, because 8906788645 - 2⁹ = 8906788133 is a prime.

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, 5976966 + ... + 5978455.

It is an arithmetic number, because the mean of its divisors is an integer number (1344984975).

Almost surely, 2^8906788645 is an apocalyptic number.

It is an amenable number.

8906788645 is a deficient number, since it is larger than the sum of its proper divisors (1853091155).

8906788645 is a wasteful number, since it uses less digits than its factorization.

8906788645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955575.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The square root of 8906788645 is about 94375.7842086623. The cubic root of 8906788645 is about 2072.8778726076.

The spelling of 8906788645 in words is "eight billion, nine hundred six million, seven hundred eighty-eight thousand, six hundred forty-five".