80228748657 has 8 divisors (see below), whose sum is σ = 106979454400. Its totient is φ = 53481937680.

The previous prime is 80228748647. The next prime is 80228748671. The reversal of 80228748657 is 75684782208.

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

It is not a de Polignac number, because 80228748657 - 2⁸ = 80228748401 is a prime.

It is a super-2 number, since 2×80228748657² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80228748597 and 80228748606.

It is not an unprimeable number, because it can be changed into a prime (80228748647) 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, 925282 + ... + 1008267.

It is an arithmetic number, because the mean of its divisors is an integer number (13372431800).

Almost surely, 2^80228748657 is an apocalyptic number.

It is an amenable number.

80228748657 is a deficient number, since it is larger than the sum of its proper divisors (26750705743).

80228748657 is a wasteful number, since it uses less digits than its factorization.

80228748657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947383.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 80228748657 in words is "eighty billion, two hundred twenty-eight million, seven hundred forty-eight thousand, six hundred fifty-seven".