98800061 has 2 divisors, whose sum is σ = 98800062. Its totient is φ = 98800060.

The previous prime is 98800001. The next prime is 98800067. The reversal of 98800061 is 16000889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67551961 + 31248100 = 8219^2 + 5590^2 .

It is an emirp because it is prime and its reverse (16000889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98800061 - 2⁶ = 98799997 is a prime.

It is a super-2 number, since 2×98800061² = 19522904107207442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98800067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49400030 + 49400031.

It is an arithmetic number, because the mean of its divisors is an integer number (49400031).

Almost surely, 2^98800061 is an apocalyptic number.

It is an amenable number.

98800061 is a deficient number, since it is larger than the sum of its proper divisors (1).

98800061 is an equidigital number, since it uses as much as digits as its factorization.

98800061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 98800061 is about 9939.8219802972. The cubic root of 98800061 is about 462.2948665174.

The spelling of 98800061 in words is "ninety-eight million, eight hundred thousand, sixty-one".