88977987 has 16 divisors (see below), whose sum is σ = 150650880. Its totient is φ = 50844456.

The previous prime is 88977953. The next prime is 88977989. The reversal of 88977987 is 78977988.

It is a de Polignac number, because none of the positive numbers 2^k-88977987 is a prime.

It is a super-3 number, since 3×88977987³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (88977989) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 235203 + ... + 235580.

It is an arithmetic number, because the mean of its divisors is an integer number (9415680).

Almost surely, 2^88977987 is an apocalyptic number.

88977987 is a deficient number, since it is larger than the sum of its proper divisors (61672893).

88977987 is a wasteful number, since it uses less digits than its factorization.

88977987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470799 (or 470793 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 63.

The square root of 88977987 is about 9432.8143732398. The cubic root of 88977987 is about 446.4376966229.

Subtracting from 88977987 its reverse (78977988), we obtain a palindrome (9999999).

The spelling of 88977987 in words is "eighty-eight million, nine hundred seventy-seven thousand, nine hundred eighty-seven".