79854037 has 2 divisors, whose sum is σ = 79854038. Its totient is φ = 79854036.

The previous prime is 79854031. The next prime is 79854041. The reversal of 79854037 is 73045897.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69906321 + 9947716 = 8361^2 + 3154^2 .

It is a cyclic number.

It is not a de Polignac number, because 79854037 - 2⁷ = 79853909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79853984 and 79854002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79854031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39927018 + 39927019.

It is an arithmetic number, because the mean of its divisors is an integer number (39927019).

Almost surely, 2^79854037 is an apocalyptic number.

It is an amenable number.

79854037 is a deficient number, since it is larger than the sum of its proper divisors (1).

79854037 is an equidigital number, since it uses as much as digits as its factorization.

79854037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 79854037 is about 8936.1086049801. The cubic root of 79854037 is about 430.6247220085.

The spelling of 79854037 in words is "seventy-nine million, eight hundred fifty-four thousand, thirty-seven".