80306387 has 4 divisors (see below), whose sum is σ = 91778736. Its totient is φ = 68834040.

The previous prime is 80306383. The next prime is 80306393. The reversal of 80306387 is 78360308.

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

It is a cyclic number.

It is not a de Polignac number, because 80306387 - 2² = 80306383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80306383) 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, 5736164 + ... + 5736177.

It is an arithmetic number, because the mean of its divisors is an integer number (22944684).

Almost surely, 2^80306387 is an apocalyptic number.

80306387 is a deficient number, since it is larger than the sum of its proper divisors (11472349).

80306387 is a wasteful number, since it uses less digits than its factorization.

80306387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472348.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80306387 is about 8961.3830963752. The cubic root of 80306387 is about 431.4363129144.

The spelling of 80306387 in words is "eighty million, three hundred six thousand, three hundred eighty-seven".