116472821 has 4 divisors (see below), whose sum is σ = 117876192. Its totient is φ = 115069452.

The previous prime is 116472803. The next prime is 116472833. The reversal of 116472821 is 128274611.

It is a happy number.

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 116472821 - 2⁶ = 116472757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116478821) 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, 701561 + ... + 701726.

It is an arithmetic number, because the mean of its divisors is an integer number (29469048).

Almost surely, 2^116472821 is an apocalyptic number.

It is an amenable number.

116472821 is a deficient number, since it is larger than the sum of its proper divisors (1403371).

116472821 is an equidigital number, since it uses as much as digits as its factorization.

116472821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403370.

The product of its digits is 5376, while the sum is 32.

The square root of 116472821 is about 10792.2574561581. The cubic root of 116472821 is about 488.3616264390.

The spelling of 116472821 in words is "one hundred sixteen million, four hundred seventy-two thousand, eight hundred twenty-one".