98770823 has 2 divisors, whose sum is σ = 98770824. Its totient is φ = 98770822.

The previous prime is 98770807. The next prime is 98770877. The reversal of 98770823 is 32807789.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98770823 - 2⁴ = 98770807 is a prime.

It is a Sophie Germain prime.

It is equal to p_5694776 and since 98770823 and 5694776 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98770423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49385411 + 49385412.

It is an arithmetic number, because the mean of its divisors is an integer number (49385412).

Almost surely, 2^98770823 is an apocalyptic number.

98770823 is a deficient number, since it is larger than the sum of its proper divisors (1).

98770823 is an equidigital number, since it uses as much as digits as its factorization.

98770823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 98770823 is about 9938.3511207846. The cubic root of 98770823 is about 462.2492595589.

The spelling of 98770823 in words is "ninety-eight million, seven hundred seventy thousand, eight hundred twenty-three".