84798061 has 4 divisors (see below), whose sum is σ = 84874300. Its totient is φ = 84721824.

The previous prime is 84798053. The next prime is 84798067. The reversal of 84798061 is 16089748.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40322500 + 44475561 = 6350^2 + 6669^2 .

It is a cyclic number.

It is not a de Polignac number, because 84798061 - 2³ = 84798053 is a prime.

It is a super-2 number, since 2×84798061² = 14381422298719442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84797999 and 84798017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84798067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36426 + ... + 38683.

It is an arithmetic number, because the mean of its divisors is an integer number (21218575).

Almost surely, 2^84798061 is an apocalyptic number.

It is an amenable number.

84798061 is a deficient number, since it is larger than the sum of its proper divisors (76239).

84798061 is a wasteful number, since it uses less digits than its factorization.

84798061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76238.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 84798061 is about 9208.5862650029. The cubic root of 84798061 is about 439.3344984105.

The spelling of 84798061 in words is "eighty-four million, seven hundred ninety-eight thousand, sixty-one".