98278511 has 2 divisors, whose sum is σ = 98278512. Its totient is φ = 98278510.

The previous prime is 98278489. The next prime is 98278519. The reversal of 98278511 is 11587289.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98278511 - 2¹⁴ = 98262127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98278519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49139255 + 49139256.

It is an arithmetic number, because the mean of its divisors is an integer number (49139256).

Almost surely, 2^98278511 is an apocalyptic number.

98278511 is a deficient number, since it is larger than the sum of its proper divisors (1).

98278511 is an equidigital number, since it uses as much as digits as its factorization.

98278511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 41.

The square root of 98278511 is about 9913.5518861809. The cubic root of 98278511 is about 461.4799702707.

It can be divided in two parts, 98278 and 511, that added together give a palindrome (98789).

The spelling of 98278511 in words is "ninety-eight million, two hundred seventy-eight thousand, five hundred eleven".