80640363 has 8 divisors (see below), whose sum is σ = 107570176. Its totient is φ = 53735400.

The previous prime is 80640341. The next prime is 80640383. The reversal of 80640363 is 36304608.

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

It is not a de Polignac number, because 80640363 - 2¹⁸ = 80378219 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 80640363.

It is not an unprimeable number, because it can be changed into a prime (80640383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (13446272).

Almost surely, 2^80640363 is an apocalyptic number.

80640363 is a deficient number, since it is larger than the sum of its proper divisors (26929813).

80640363 is a wasteful number, since it uses less digits than its factorization.

80640363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 80640363 is about 8979.9979398661. The cubic root of 80640363 is about 432.0335675648.

It can be divided in two parts, 80640 and 363, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 80640363 in words is "eighty million, six hundred forty thousand, three hundred sixty-three".