80879741 has 2 divisors, whose sum is σ = 80879742. Its totient is φ = 80879740.

The previous prime is 80879723. The next prime is 80879767. The reversal of 80879741 is 14797808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78765625 + 2114116 = 8875^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 80879741 - 2²² = 76685437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80879692 and 80879701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80879041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40439870 + 40439871.

It is an arithmetic number, because the mean of its divisors is an integer number (40439871).

Almost surely, 2^80879741 is an apocalyptic number.

It is an amenable number.

80879741 is a deficient number, since it is larger than the sum of its proper divisors (1).

80879741 is an equidigital number, since it uses as much as digits as its factorization.

80879741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 80879741 is about 8993.3164627961. The cubic root of 80879741 is about 432.4606372676.

The spelling of 80879741 in words is "eighty million, eight hundred seventy-nine thousand, seven hundred forty-one".