79220841 has 32 divisors (see below), whose sum is σ = 126394368. Its totient is φ = 43182720.

The previous prime is 79220839. The next prime is 79220851. The reversal of 79220841 is 14802297.

It is a happy number.

It is not a de Polignac number, because 79220841 - 2¹ = 79220839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79220831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46690 + ... + 48356.

It is an arithmetic number, because the mean of its divisors is an integer number (3949824).

Almost surely, 2^79220841 is an apocalyptic number.

It is an amenable number.

79220841 is a deficient number, since it is larger than the sum of its proper divisors (47173527).

79220841 is a wasteful number, since it uses less digits than its factorization.

79220841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 79220841 is about 8900.6090241062. The cubic root of 79220841 is about 429.4834991897.

The spelling of 79220841 in words is "seventy-nine million, two hundred twenty thousand, eight hundred forty-one".