98013577 has 2 divisors, whose sum is σ = 98013578. Its totient is φ = 98013576.

The previous prime is 98013521. The next prime is 98013593. The reversal of 98013577 is 77531089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 8503056 = 9461^2 + 2916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98013577 is a prime.

It is a super-2 number, since 2×98013577² = 19213322552669858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98013277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49006788 + 49006789.

It is an arithmetic number, because the mean of its divisors is an integer number (49006789).

Almost surely, 2^98013577 is an apocalyptic number.

It is an amenable number.

98013577 is a deficient number, since it is larger than the sum of its proper divisors (1).

98013577 is an equidigital number, since it uses as much as digits as its factorization.

98013577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 98013577 is about 9900.1806549174. The cubic root of 98013577 is about 461.0649193429.

The spelling of 98013577 in words is "ninety-eight million, thirteen thousand, five hundred seventy-seven".