88493689 has 2 divisors, whose sum is σ = 88493690. Its totient is φ = 88493688.

The previous prime is 88493681. The next prime is 88493693. The reversal of 88493689 is 98639488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72812089 + 15681600 = 8533^2 + 3960^2 .

It is a cyclic number.

It is not a de Polignac number, because 88493689 - 2³ = 88493681 is a prime.

It is a super-2 number, since 2×88493689² = 15662265985657442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88493681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44246844 + 44246845.

It is an arithmetic number, because the mean of its divisors is an integer number (44246845).

Almost surely, 2^88493689 is an apocalyptic number.

It is an amenable number.

88493689 is a deficient number, since it is larger than the sum of its proper divisors (1).

88493689 is an equidigital number, since it uses as much as digits as its factorization.

88493689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 55.

The square root of 88493689 is about 9407.1084292677. The cubic root of 88493689 is about 445.6262511972.

The spelling of 88493689 in words is "eighty-eight million, four hundred ninety-three thousand, six hundred eighty-nine".