80814970 has 8 divisors (see below), whose sum is σ = 145466964. Its totient is φ = 32325984.

The previous prime is 80814953. The next prime is 80814971. The reversal of 80814970 is 7941808.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 2368521 = 8857^2 + 1539^2 .

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

It is a super-2 number, since 2×80814970² = 13062118752201800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80814971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040739 + ... + 4040758.

Almost surely, 2^80814970 is an apocalyptic number.

80814970 is a deficient number, since it is larger than the sum of its proper divisors (64651994).

80814970 is a wasteful number, since it uses less digits than its factorization.

80814970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081504.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 80814970 is about 8989.7146784534. The cubic root of 80814970 is about 432.3451638159.

The spelling of 80814970 in words is "eighty million, eight hundred fourteen thousand, nine hundred seventy".