80630021386 has 4 divisors (see below), whose sum is σ = 120945032082. Its totient is φ = 40315010692.

The previous prime is 80630021383. The next prime is 80630021399. The reversal of 80630021386 is 68312003608.

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

It can be written as a sum of positive squares in only one way, i.e., 78016869225 + 2613152161 = 279315^2 + 51119^2 .

It is not an unprimeable number, because it can be changed into a prime (80630021383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20157505345 + ... + 20157505348.

Almost surely, 2^80630021386 is an apocalyptic number.

80630021386 is a deficient number, since it is larger than the sum of its proper divisors (40315010696).

80630021386 is a wasteful number, since it uses less digits than its factorization.

80630021386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40315010695.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 80630021386 in words is "eighty billion, six hundred thirty million, twenty-one thousand, three hundred eighty-six".