88442693 has 2 divisors, whose sum is σ = 88442694. Its totient is φ = 88442692.

The previous prime is 88442689. The next prime is 88442737. The reversal of 88442693 is 39624488.

It is an a-pointer prime, because the next prime (88442737) can be obtained adding 88442693 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 38217124 = 7087^2 + 6182^2 .

It is a cyclic number.

It is not a de Polignac number, because 88442693 - 2² = 88442689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88442623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44221346 + 44221347.

It is an arithmetic number, because the mean of its divisors is an integer number (44221347).

Almost surely, 2^88442693 is an apocalyptic number.

It is an amenable number.

88442693 is a deficient number, since it is larger than the sum of its proper divisors (1).

88442693 is an equidigital number, since it uses as much as digits as its factorization.

88442693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 88442693 is about 9404.3975351960. The cubic root of 88442693 is about 445.5406348359.

The spelling of 88442693 in words is "eighty-eight million, four hundred forty-two thousand, six hundred ninety-three".