88897138 has 8 divisors (see below), whose sum is σ = 145468080. Its totient is φ = 40407780.

The previous prime is 88897121. The next prime is 88897147. The reversal of 88897138 is 83179888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×88897138² = 15805402289182088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020368 + ... + 2020411.

It is an arithmetic number, because the mean of its divisors is an integer number (18183510).

Almost surely, 2^88897138 is an apocalyptic number.

88897138 is a deficient number, since it is larger than the sum of its proper divisors (56570942).

88897138 is a wasteful number, since it uses less digits than its factorization.

88897138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040792.

The product of its digits is 774144, while the sum is 52.

The square root of 88897138 is about 9428.5278808518. The cubic root of 88897138 is about 446.3024385280.

The spelling of 88897138 in words is "eighty-eight million, eight hundred ninety-seven thousand, one hundred thirty-eight".