80402648387 has 16 divisors (see below), whose sum is σ = 83454763392. Its totient is φ = 77401215360.

The previous prime is 80402648377. The next prime is 80402648399. The reversal of 80402648387 is 78384620408.

It is a cyclic number.

It is not a de Polignac number, because 80402648387 - 2⁴ = 80402648371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80402648377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288838 + ... + 1349780.

It is an arithmetic number, because the mean of its divisors is an integer number (5215922712).

Almost surely, 2^80402648387 is an apocalyptic number.

80402648387 is a deficient number, since it is larger than the sum of its proper divisors (3052115005).

80402648387 is a wasteful number, since it uses less digits than its factorization.

80402648387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61358.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 80402648387 in words is "eighty billion, four hundred two million, six hundred forty-eight thousand, three hundred eighty-seven".