79823141 has 8 divisors (see below), whose sum is σ = 81494424. Its totient is φ = 78158080.

The previous prime is 79823131. The next prime is 79823153. The reversal of 79823141 is 14132897.

79823141 = T₁₇₀₉ + T₁₇₁₀ + ... + T₁₇₆₁.

It can be written as a sum of positive squares in 4 ways, for example, as 96100 + 79727041 = 310^2 + 8929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79823141 - 2⁶ = 79823077 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 (79823131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31481 + ... + 33921.

It is an arithmetic number, because the mean of its divisors is an integer number (10186803).

Almost surely, 2^79823141 is an apocalyptic number.

It is an amenable number.

79823141 is a deficient number, since it is larger than the sum of its proper divisors (1671283).

79823141 is a wasteful number, since it uses less digits than its factorization.

79823141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its digits is 12096, while the sum is 35.

The square root of 79823141 is about 8934.3797210551. The cubic root of 79823141 is about 430.5691777590.

The spelling of 79823141 in words is "seventy-nine million, eight hundred twenty-three thousand, one hundred forty-one".