98278658 has 4 divisors (see below), whose sum is σ = 147417990. Its totient is φ = 49139328.

The previous prime is 98278657. The next prime is 98278667. The reversal of 98278658 is 85687289.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62362609 + 35916049 = 7897^2 + 5993^2 .

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 as a sum of consecutive naturals, namely, 24569663 + ... + 24569666.

Almost surely, 2^98278658 is an apocalyptic number.

98278658 is a deficient number, since it is larger than the sum of its proper divisors (49139332).

98278658 is a wasteful number, since it uses less digits than its factorization.

98278658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49139331.

The product of its digits is 1935360, while the sum is 53.

The square root of 98278658 is about 9913.5593002715. The cubic root of 98278658 is about 461.4802003567.

The spelling of 98278658 in words is "ninety-eight million, two hundred seventy-eight thousand, six hundred fifty-eight".