84770794 has 4 divisors (see below), whose sum is σ = 127156194. Its totient is φ = 42385396.

The previous prime is 84770773. The next prime is 84770813. The reversal of 84770794 is 49707748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76790169 + 7980625 = 8763^2 + 2825^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21192697 + ... + 21192700.

Almost surely, 2^84770794 is an apocalyptic number.

84770794 is a deficient number, since it is larger than the sum of its proper divisors (42385400).

84770794 is a wasteful number, since it uses less digits than its factorization.

84770794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42385399.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 84770794 is about 9207.1056255481. The cubic root of 84770794 is about 439.2874037095.

The spelling of 84770794 in words is "eighty-four million, seven hundred seventy thousand, seven hundred ninety-four".