80700030 has 64 divisors (see below), whose sum is σ = 226540800. Its totient is φ = 20386080.

The previous prime is 80700029. The next prime is 80700083. The reversal of 80700030 is 3000708.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 80699976 and 80700012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2736 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (3539700).

Almost surely, 2^80700030 is an apocalyptic number.

80700030 is an abundant number, since it is smaller than the sum of its proper divisors (145840770).

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

80700030 is a wasteful number, since it uses less digits than its factorization.

80700030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766 (or 15760 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 80700030 is about 8983.3195423518. The cubic root of 80700030 is about 432.1400973085.

Adding to 80700030 its reverse (3000708), we get a palindrome (83700738).

The spelling of 80700030 in words is "eighty million, seven hundred thousand, thirty".