84952813 has 4 divisors (see below), whose sum is σ = 92675808. Its totient is φ = 77229820.

The previous prime is 84952807. The next prime is 84952831. The reversal of 84952813 is 31825948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84952813 - 2¹³ = 84944621 is a prime.

It is a super-2 number, since 2×84952813² = 14433960873225938, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84952843) 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, 3861481 + ... + 3861502.

It is an arithmetic number, because the mean of its divisors is an integer number (23168952).

Almost surely, 2^84952813 is an apocalyptic number.

It is an amenable number.

84952813 is a deficient number, since it is larger than the sum of its proper divisors (7722995).

84952813 is a wasteful number, since it uses less digits than its factorization.

84952813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722994.

The product of its digits is 69120, while the sum is 40.

The square root of 84952813 is about 9216.9850276541. The cubic root of 84952813 is about 439.6015901155.

The spelling of 84952813 in words is "eighty-four million, nine hundred fifty-two thousand, eight hundred thirteen".