88910813 has 2 divisors, whose sum is σ = 88910814. Its totient is φ = 88910812.

The previous prime is 88910791. The next prime is 88910819. The reversal of 88910813 is 31801988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87572164 + 1338649 = 9358^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 88910813 - 2¹⁶ = 88845277 is a prime.

It is equal to p_5157659 and since 88910813 and 5157659 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 (88910819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44455406 + 44455407.

It is an arithmetic number, because the mean of its divisors is an integer number (44455407).

Almost surely, 2^88910813 is an apocalyptic number.

It is an amenable number.

88910813 is a deficient number, since it is larger than the sum of its proper divisors (1).

88910813 is an equidigital number, since it uses as much as digits as its factorization.

88910813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 88910813 is about 9429.2530457083. The cubic root of 88910813 is about 446.3253221778.

The spelling of 88910813 in words is "eighty-eight million, nine hundred ten thousand, eight hundred thirteen".