88020711 has 12 divisors (see below), whose sum is σ = 133832920. Its totient is φ = 55591920.

The previous prime is 88020689. The next prime is 88020731. The reversal of 88020711 is 11702088.

It is a de Polignac number, because none of the positive numbers 2^k-88020711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88020731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257200 + ... + 257541.

Almost surely, 2^88020711 is an apocalyptic number.

88020711 is a deficient number, since it is larger than the sum of its proper divisors (45812209).

88020711 is a wasteful number, since it uses less digits than its factorization.

88020711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514766 (or 514763 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 88020711 is about 9381.9353547123. The cubic root of 88020711 is about 444.8309099613.

Adding to 88020711 its reverse (11702088), we get a palindrome (99722799).

The spelling of 88020711 in words is "eighty-eight million, twenty thousand, seven hundred eleven".