88361089 has 4 divisors (see below), whose sum is σ = 88598356. Its totient is φ = 88123824.

The previous prime is 88361071. The next prime is 88361099. The reversal of 88361089 is 98016388.

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 47720464 + 40640625 = 6908^2 + 6375^2 .

It is a cyclic number.

It is not a de Polignac number, because 88361089 - 2²¹ = 86263937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88361059) 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, 118074 + ... + 118819.

It is an arithmetic number, because the mean of its divisors is an integer number (22149589).

Almost surely, 2^88361089 is an apocalyptic number.

It is an amenable number.

88361089 is a deficient number, since it is larger than the sum of its proper divisors (237267).

88361089 is a wasteful number, since it uses less digits than its factorization.

88361089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237266.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 88361089 is about 9400.0579253534. The cubic root of 88361089 is about 445.4035627023.

It can be divided in two parts, 8836 and 1089, that multiplied together give a square (9622404 = 3102²).

The spelling of 88361089 in words is "eighty-eight million, three hundred sixty-one thousand, eighty-nine".