98278322257 has 16 divisors (see below), whose sum is σ = 100162240000. Its totient is φ = 96403659840.

The previous prime is 98278322189. The next prime is 98278322269. The reversal of 98278322257 is 75222387289.

It is a cyclic number.

It is not a de Polignac number, because 98278322257 - 2²⁷ = 98144104529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98278322198 and 98278322207.

It is not an unprimeable number, because it can be changed into a prime (98278322557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49162744 + ... + 49164742.

It is an arithmetic number, because the mean of its divisors is an integer number (6260140000).

Almost surely, 2^98278322257 is an apocalyptic number.

It is an amenable number.

98278322257 is a deficient number, since it is larger than the sum of its proper divisors (1883917743).

98278322257 is a wasteful number, since it uses less digits than its factorization.

98278322257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856.

The product of its digits is 6773760, while the sum is 55.

The spelling of 98278322257 in words is "ninety-eight billion, two hundred seventy-eight million, three hundred twenty-two thousand, two hundred fifty-seven".