80628215 has 16 divisors (see below), whose sum is σ = 98301600. Its totient is φ = 63478272.

The previous prime is 80628203. The next prime is 80628227. The reversal of 80628215 is 51282608.

It is an interprime number because it is at equal distance from previous prime (80628203) and next prime (80628227).

It is a cyclic number.

It is not a de Polignac number, because 80628215 - 2¹² = 80624119 is a prime.

It is a super-3 number, since 3×80628215³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181784 + ... + 182226.

It is an arithmetic number, because the mean of its divisors is an integer number (6143850).

Almost surely, 2^80628215 is an apocalyptic number.

80628215 is a deficient number, since it is larger than the sum of its proper divisors (17673385).

80628215 is a wasteful number, since it uses less digits than its factorization.

80628215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 80628215 is about 8979.3215222532. The cubic root of 80628215 is about 432.0118720303.

The spelling of 80628215 in words is "eighty million, six hundred twenty-eight thousand, two hundred fifteen".