79815141 has 48 divisors (see below), whose sum is σ = 135907200. Its totient is φ = 44198784.

The previous prime is 79815101. The next prime is 79815161. The reversal of 79815141 is 14151897.

It is not a de Polignac number, because 79815141 - 2⁶ = 79815077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79815096 and 79815105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79815101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405055 + ... + 405251.

It is an arithmetic number, because the mean of its divisors is an integer number (2831400).

Almost surely, 2^79815141 is an apocalyptic number.

It is an amenable number.

79815141 is a deficient number, since it is larger than the sum of its proper divisors (56092059).

79815141 is a wasteful number, since it uses less digits than its factorization.

79815141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 375 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 79815141 is about 8933.9320010844. The cubic root of 79815141 is about 430.5547931730.

The spelling of 79815141 in words is "seventy-nine million, eight hundred fifteen thousand, one hundred forty-one".