98278655 has 16 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 75010848.

The previous prime is 98278643. The next prime is 98278657. The reversal of 98278655 is 55687289.

It is a cyclic number.

It is not a de Polignac number, because 98278655 - 2⁴ = 98278639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98278657) 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, 56996 + ... + 58694.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^98278655 is an apocalyptic number.

98278655 is a deficient number, since it is larger than the sum of its proper divisors (25100545).

98278655 is a wasteful number, since it uses less digits than its factorization.

98278655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 1209600, while the sum is 50.

The square root of 98278655 is about 9913.5591489636. The cubic root of 98278655 is about 461.4801956610.

The spelling of 98278655 in words is "ninety-eight million, two hundred seventy-eight thousand, six hundred fifty-five".