88615442 has 4 divisors (see below), whose sum is σ = 132923166. Its totient is φ = 44307720.

The previous prime is 88615409. The next prime is 88615447. The reversal of 88615442 is 24451688.

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 only one way, i.e., 72607441 + 16008001 = 8521^2 + 4001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88615396 and 88615405.

It is not an unprimeable number, because it can be changed into a prime (88615447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22153859 + ... + 22153862.

Almost surely, 2^88615442 is an apocalyptic number.

88615442 is a deficient number, since it is larger than the sum of its proper divisors (44307724).

88615442 is a wasteful number, since it uses less digits than its factorization.

88615442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44307723.

The product of its digits is 61440, while the sum is 38.

The square root of 88615442 is about 9413.5775346039. The cubic root of 88615442 is about 445.8305274190.

The spelling of 88615442 in words is "eighty-eight million, six hundred fifteen thousand, four hundred forty-two".