87799876 has 6 divisors (see below), whose sum is σ = 153649790. Its totient is φ = 43899936.

The previous prime is 87799871. The next prime is 87799891. The reversal of 87799876 is 67899778.

It can be written as a sum of positive squares in only one way, i.e., 76737600 + 11062276 = 8760^2 + 3326^2 .

It is not an unprimeable number, because it can be changed into a prime (87799871) 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 as a sum of consecutive naturals, namely, 10974981 + ... + 10974988.

Almost surely, 2^87799876 is an apocalyptic number.

It is an amenable number.

87799876 is a deficient number, since it is larger than the sum of its proper divisors (65849914).

87799876 is a wasteful number, since it uses less digits than its factorization.

87799876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949973 (or 21949971 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 61.

The square root of 87799876 is about 9370.1588033501. The cubic root of 87799876 is about 444.4585865963.

The spelling of 87799876 in words is "eighty-seven million, seven hundred ninety-nine thousand, eight hundred seventy-six".