87803849 has 16 divisors (see below), whose sum is σ = 105266688. Its totient is φ = 71658432.

The previous prime is 87803831. The next prime is 87803869. The reversal of 87803849 is 94830878.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87803849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87803819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8567 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (6579168).

Almost surely, 2^87803849 is an apocalyptic number.

It is an amenable number.

87803849 is a deficient number, since it is larger than the sum of its proper divisors (17462839).

87803849 is a wasteful number, since it uses less digits than its factorization.

87803849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 87803849 is about 9370.3708037623. The cubic root of 87803849 is about 444.4652905060.

The spelling of 87803849 in words is "eighty-seven million, eight hundred three thousand, eight hundred forty-nine".