84787794 has 96 divisors (see below), whose sum is σ = 232377600. Its totient is φ = 21741696.

The previous prime is 84787771. The next prime is 84787811. The reversal of 84787794 is 49778748.

It is a super-2 number, since 2×84787794² = 14377940022772872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84787794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59907 + ... + 61305.

It is an arithmetic number, because the mean of its divisors is an integer number (2420600).

Almost surely, 2^84787794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84787794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116188800).

84787794 is an abundant number, since it is smaller than the sum of its proper divisors (147589806).

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

84787794 is a wasteful number, since it uses less digits than its factorization.

84787794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1461 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 84787794 is about 9208.0287792774. The cubic root of 84787794 is about 439.3167667576.

The spelling of 84787794 in words is "eighty-four million, seven hundred eighty-seven thousand, seven hundred ninety-four".