87804884 has 6 divisors (see below), whose sum is σ = 153658554. Its totient is φ = 43902440.

The previous prime is 87804859. The next prime is 87804889. The reversal of 87804884 is 48840878.

It can be written as a sum of positive squares in only one way, i.e., 81504784 + 6300100 = 9028^2 + 2510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87804889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10975607 + ... + 10975614.

It is an arithmetic number, because the mean of its divisors is an integer number (25609759).

Almost surely, 2^87804884 is an apocalyptic number.

It is an amenable number.

87804884 is a deficient number, since it is larger than the sum of its proper divisors (65853670).

87804884 is a wasteful number, since it uses less digits than its factorization.

87804884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21951225 (or 21951223 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 47.

The square root of 87804884 is about 9370.4260308697. The cubic root of 87804884 is about 444.4670368978.

It can be divided in two parts, 87804 and 884, that added together give a palindrome (88688).

The spelling of 87804884 in words is "eighty-seven million, eight hundred four thousand, eight hundred eighty-four".