88969771 has 4 divisors (see below), whose sum is σ = 97057944. Its totient is φ = 80881600.

The previous prime is 88969763. The next prime is 88969787. The reversal of 88969771 is 17796988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88969771 - 2³ = 88969763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88969471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044070 + ... + 4044091.

It is an arithmetic number, because the mean of its divisors is an integer number (24264486).

Almost surely, 2^88969771 is an apocalyptic number.

88969771 is a deficient number, since it is larger than the sum of its proper divisors (8088173).

88969771 is a wasteful number, since it uses less digits than its factorization.

88969771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088172.

The product of its digits is 1524096, while the sum is 55.

The square root of 88969771 is about 9432.3788621959. The cubic root of 88969771 is about 446.4239552278.

The spelling of 88969771 in words is "eighty-eight million, nine hundred sixty-nine thousand, seven hundred seventy-one".