88720298 has 4 divisors (see below), whose sum is σ = 133080450. Its totient is φ = 44360148.

The previous prime is 88720283. The next prime is 88720301. The reversal of 88720298 is 89202788.

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., 77915929 + 10804369 = 8827^2 + 3287^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22180073 + ... + 22180076.

Almost surely, 2^88720298 is an apocalyptic number.

88720298 is a deficient number, since it is larger than the sum of its proper divisors (44360152).

88720298 is a wasteful number, since it uses less digits than its factorization.

88720298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44360151.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 88720298 is about 9419.1452903116. The cubic root of 88720298 is about 446.0063040795.

The spelling of 88720298 in words is "eighty-eight million, seven hundred twenty thousand, two hundred ninety-eight".