88159402 has 4 divisors (see below), whose sum is σ = 132239106. Its totient is φ = 44079700.

The previous prime is 88159397. The next prime is 88159403. The reversal of 88159402 is 20495188.

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., 53714241 + 34445161 = 7329^2 + 5869^2 .

It is not an unprimeable number, because it can be changed into a prime (88159403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22039849 + ... + 22039852.

Almost surely, 2^88159402 is an apocalyptic number.

88159402 is a deficient number, since it is larger than the sum of its proper divisors (44079704).

88159402 is a wasteful number, since it uses less digits than its factorization.

88159402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44079703.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 88159402 is about 9389.3238308198. The cubic root of 88159402 is about 445.0644219320.

The spelling of 88159402 in words is "eighty-eight million, one hundred fifty-nine thousand, four hundred two".