88019797 has 8 divisors (see below), whose sum is σ = 88841016. Its totient is φ = 87202752.

The previous prime is 88019777. The next prime is 88019801. The reversal of 88019797 is 79791088.

It can be written as a sum of positive squares in 4 ways, for example, as 27941796 + 60078001 = 5286^2 + 7751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88019797 - 2¹⁹ = 87495509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88019797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88019747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53763 + ... + 55375.

It is an arithmetic number, because the mean of its divisors is an integer number (11105127).

Almost surely, 2^88019797 is an apocalyptic number.

It is an amenable number.

88019797 is a deficient number, since it is larger than the sum of its proper divisors (821219).

88019797 is a wasteful number, since it uses less digits than its factorization.

88019797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 88019797 is about 9381.8866439539. The cubic root of 88019797 is about 444.8293702598.

The spelling of 88019797 in words is "eighty-eight million, nineteen thousand, seven hundred ninety-seven".