80616245 has 8 divisors (see below), whose sum is σ = 96831960. Its totient is φ = 64431360.

The previous prime is 80616199. The next prime is 80616251. The reversal of 80616245 is 54261608.

It can be written as a sum of positive squares in 4 ways, for example, as 7496644 + 73119601 = 2738^2 + 8551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80616245 - 2⁶ = 80616181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (12103995).

Almost surely, 2^80616245 is an apocalyptic number.

It is an amenable number.

80616245 is a deficient number, since it is larger than the sum of its proper divisors (16215715).

80616245 is a wasteful number, since it uses less digits than its factorization.

80616245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15415.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80616245 is about 8978.6549660848. The cubic root of 80616245 is about 431.9904922605.

The spelling of 80616245 in words is "eighty million, six hundred sixteen thousand, two hundred forty-five".