87783468 has 24 divisors (see below), whose sum is σ = 209592768. Its totient is φ = 28580496.

The previous prime is 87783431. The next prime is 87783469. The reversal of 87783468 is 86438778.

It is a self number, because there is not a number n which added to its sum of digits gives 87783468.

It is not an unprimeable number, because it can be changed into a prime (87783469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84546 + ... + 85577.

It is an arithmetic number, because the mean of its divisors is an integer number (8733032).

Almost surely, 2^87783468 is an apocalyptic number.

It is an amenable number.

87783468 is an abundant number, since it is smaller than the sum of its proper divisors (121809300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87783468 is a wasteful number, since it uses less digits than its factorization.

87783468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170173 (or 170171 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 87783468 is about 9369.2832169809. The cubic root of 87783468 is about 444.4308981334.

It can be divided in two parts, 8778 and 3468, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 87783468 in words is "eighty-seven million, seven hundred eighty-three thousand, four hundred sixty-eight".