80848261 has 4 divisors (see below), whose sum is σ = 87067372. Its totient is φ = 74629152.

The previous prime is 80848253. The next prime is 80848283. The reversal of 80848261 is 16284808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49140100 + 31708161 = 7010^2 + 5631^2 .

It is not a de Polignac number, because 80848261 - 2³ = 80848253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80848261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80848291) 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, 3109536 + ... + 3109561.

It is an arithmetic number, because the mean of its divisors is an integer number (21766843).

Almost surely, 2^80848261 is an apocalyptic number.

It is an amenable number.

80848261 is a deficient number, since it is larger than the sum of its proper divisors (6219111).

80848261 is a wasteful number, since it uses less digits than its factorization.

80848261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219110.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 80848261 is about 8991.5661038553. The cubic root of 80848261 is about 432.4045225664.

The spelling of 80848261 in words is "eighty million, eight hundred forty-eight thousand, two hundred sixty-one".