88135898 has 4 divisors (see below), whose sum is σ = 132203850. Its totient is φ = 44067948.

The previous prime is 88135891. The next prime is 88135909. The reversal of 88135898 is 89853188.

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., 86806489 + 1329409 = 9317^2 + 1153^2 .

It is not an unprimeable number, because it can be changed into a prime (88135891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22033973 + ... + 22033976.

Almost surely, 2^88135898 is an apocalyptic number.

88135898 is a deficient number, since it is larger than the sum of its proper divisors (44067952).

88135898 is a wasteful number, since it uses less digits than its factorization.

88135898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44067951.

The product of its digits is 552960, while the sum is 50.

The square root of 88135898 is about 9388.0721130592. The cubic root of 88135898 is about 445.0248658411.

The spelling of 88135898 in words is "eighty-eight million, one hundred thirty-five thousand, eight hundred ninety-eight".