88819693 has 2 divisors, whose sum is σ = 88819694. Its totient is φ = 88819692.

The previous prime is 88819673. The next prime is 88819723. The reversal of 88819693 is 39691888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 31393609 = 7578^2 + 5603^2 .

It is a cyclic number.

It is not a de Polignac number, because 88819693 - 2²⁵ = 55265261 is a prime.

It is a super-3 number, since 3×88819693³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 88819693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88819673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44409846 + 44409847.

It is an arithmetic number, because the mean of its divisors is an integer number (44409847).

Almost surely, 2^88819693 is an apocalyptic number.

It is an amenable number.

88819693 is a deficient number, since it is larger than the sum of its proper divisors (1).

88819693 is an equidigital number, since it uses as much as digits as its factorization.

88819693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 88819693 is about 9424.4200352064. The cubic root of 88819693 is about 446.1727983054.

The spelling of 88819693 in words is "eighty-eight million, eight hundred nineteen thousand, six hundred ninety-three".