79837061 has 4 divisors (see below), whose sum is σ = 79855500. Its totient is φ = 79818624.

The previous prime is 79837039. The next prime is 79837063. The reversal of 79837061 is 16073897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16073897 = 7 ⋅2296271.

It can be written as a sum of positive squares in 2 ways, for example, as 45144961 + 34692100 = 6719^2 + 5890^2 .

It is a cyclic number.

It is not a de Polignac number, because 79837061 - 2¹⁴ = 79820677 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 (79837063) 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, 1205 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (19963875).

Almost surely, 2^79837061 is an apocalyptic number.

It is an amenable number.

79837061 is a deficient number, since it is larger than the sum of its proper divisors (18439).

79837061 is a wasteful number, since it uses less digits than its factorization.

79837061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18438.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 79837061 is about 8935.1587003254. The cubic root of 79837061 is about 430.5942046477.

The spelling of 79837061 in words is "seventy-nine million, eight hundred thirty-seven thousand, sixty-one".