80620860 has 24 divisors (see below), whose sum is σ = 225738576. Its totient is φ = 21498880.

The previous prime is 80620849. The next prime is 80620861. The reversal of 80620860 is 6802608.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80620861) 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, 671781 + ... + 671900.

It is an arithmetic number, because the mean of its divisors is an integer number (9405774).

Almost surely, 2^80620860 is an apocalyptic number.

It is an amenable number.

80620860 is an abundant number, since it is smaller than the sum of its proper divisors (145117716).

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

80620860 is a wasteful number, since it uses less digits than its factorization.

80620860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343693 (or 1343691 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80620860 is about 8978.9119608113. The cubic root of 80620860 is about 431.9987354215.

The spelling of 80620860 in words is "eighty million, six hundred twenty thousand, eight hundred sixty".