84877491 has 8 divisors (see below), whose sum is σ = 113310144. Its totient is φ = 56514920.

The previous prime is 84877489. The next prime is 84877501. The reversal of 84877491 is 19477848.

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

It is a cyclic number.

It is not a de Polignac number, because 84877491 - 2¹ = 84877489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84877491.

It is not an unprimeable number, because it can be changed into a prime (84877451) 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, 14625 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (14163768).

Almost surely, 2^84877491 is an apocalyptic number.

84877491 is a deficient number, since it is larger than the sum of its proper divisors (28432653).

84877491 is a wasteful number, since it uses less digits than its factorization.

84877491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35041.

The product of its digits is 451584, while the sum is 48.

The square root of 84877491 is about 9212.8980782379. The cubic root of 84877491 is about 439.4716298838.

The spelling of 84877491 in words is "eighty-four million, eight hundred seventy-seven thousand, four hundred ninety-one".