87849777 has 8 divisors (see below), whose sum is σ = 117194080. Its totient is φ = 58536000.

The previous prime is 87849767. The next prime is 87849781. The reversal of 87849777 is 77794878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87849777 - 2¹⁴ = 87833393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87849767) 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, 249 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (14649260).

Almost surely, 2^87849777 is an apocalyptic number.

It is an amenable number.

87849777 is a deficient number, since it is larger than the sum of its proper divisors (29344303).

87849777 is a wasteful number, since it uses less digits than its factorization.

87849777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15263.

The product of its digits is 5531904, while the sum is 57.

The square root of 87849777 is about 9372.8211868146. The cubic root of 87849777 is about 444.5427732280.

The spelling of 87849777 in words is "eighty-seven million, eight hundred forty-nine thousand, seven hundred seventy-seven".