807820080 has 40 divisors (see below), whose sum is σ = 2504242992. Its totient is φ = 215418624.

The previous prime is 807820049. The next prime is 807820081. The reversal of 807820080 is 80028708.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (807820081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682719 + ... + 1683198.

Almost surely, 2^807820080 is an apocalyptic number.

807820080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

807820080 is an abundant number, since it is smaller than the sum of its proper divisors (1696422912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

807820080 is a wasteful number, since it uses less digits than its factorization.

807820080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365933 (or 3365927 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 807820080 is about 28422.1758491499. The cubic root of 807820080 is about 931.3327636606.

Adding to 807820080 its reverse (80028708), we get a palindrome (887848788).

The spelling of 807820080 in words is "eight hundred seven million, eight hundred twenty thousand, eighty".