88020693 has 12 divisors (see below), whose sum is σ = 127522668. Its totient is φ = 58504320.

The previous prime is 88020689. The next prime is 88020731. The reversal of 88020693 is 39602088.

It can be written as a sum of positive squares in 2 ways, for example, as 61826769 + 26193924 = 7863^2 + 5118^2 .

It is not a de Polignac number, because 88020693 - 2² = 88020689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88020623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11478 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (10626889).

Almost surely, 2^88020693 is an apocalyptic number.

It is an amenable number.

88020693 is a deficient number, since it is larger than the sum of its proper divisors (39501975).

88020693 is a wasteful number, since it uses less digits than its factorization.

88020693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29364 (or 29361 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 88020693 is about 9381.9343954219. The cubic root of 88020693 is about 444.8308796391.

The spelling of 88020693 in words is "eighty-eight million, twenty thousand, six hundred ninety-three".