88079561 has 4 divisors (see below), whose sum is σ = 88283412. Its totient is φ = 87875712.

The previous prime is 88079543. The next prime is 88079597. The reversal of 88079561 is 16597088.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58049161 + 30030400 = 7619^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 88079561 - 2¹⁴ = 88063177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88079531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101276 + ... + 102141.

It is an arithmetic number, because the mean of its divisors is an integer number (22070853).

Almost surely, 2^88079561 is an apocalyptic number.

It is an amenable number.

88079561 is a deficient number, since it is larger than the sum of its proper divisors (203851).

88079561 is a wasteful number, since it uses less digits than its factorization.

88079561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203850.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 88079561 is about 9385.0711771409. The cubic root of 88079561 is about 444.9300247670.

The spelling of 88079561 in words is "eighty-eight million, seventy-nine thousand, five hundred sixty-one".