80657212030 has 16 divisors (see below), whose sum is σ = 145191858480. Its totient is φ = 32260912192.

The previous prime is 80657211983. The next prime is 80657212033. The reversal of 80657212030 is 3021275608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80657212033) 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, 68740 + ... + 407479.

It is an arithmetic number, because the mean of its divisors is an integer number (9074491155).

Almost surely, 2^80657212030 is an apocalyptic number.

80657212030 is a deficient number, since it is larger than the sum of its proper divisors (64534646450).

80657212030 is a wasteful number, since it uses less digits than its factorization.

80657212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493163.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 80657212030 its reverse (3021275608), we get a palindrome (83678487638).

The spelling of 80657212030 in words is "eighty billion, six hundred fifty-seven million, two hundred twelve thousand, thirty".