80052780 has 48 divisors (see below), whose sum is σ = 224550144. Its totient is φ = 21309120.

The previous prime is 80052697. The next prime is 80052803. The reversal of 80052780 is 8725008.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52225 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (4678128).

Almost surely, 2^80052780 is an apocalyptic number.

It is an amenable number.

80052780 is an abundant number, since it is smaller than the sum of its proper divisors (144497364).

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

80052780 is a wasteful number, since it uses less digits than its factorization.

80052780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 80052780 is about 8947.2219152092. The cubic root of 80052780 is about 430.9816763940.

Adding to 80052780 its reverse (8725008), we get a palindrome (88777788).

The spelling of 80052780 in words is "eighty million, fifty-two thousand, seven hundred eighty".