88261979 has 4 divisors (see below), whose sum is σ = 95051376. Its totient is φ = 81472584.

The previous prime is 88261963. The next prime is 88262023. The reversal of 88261979 is 97916288.

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 88261979 - 2⁴ = 88261963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88261919) 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, 3394679 + ... + 3394704.

It is an arithmetic number, because the mean of its divisors is an integer number (23762844).

Almost surely, 2^88261979 is an apocalyptic number.

88261979 is a deficient number, since it is larger than the sum of its proper divisors (6789397).

88261979 is a wasteful number, since it uses less digits than its factorization.

88261979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789396.

The product of its digits is 435456, while the sum is 50.

The square root of 88261979 is about 9394.7846702306. The cubic root of 88261979 is about 445.2369717947.

The spelling of 88261979 in words is "eighty-eight million, two hundred sixty-one thousand, nine hundred seventy-nine".