80426656 has 12 divisors (see below), whose sum is σ = 158340042. Its totient is φ = 40213312.

The previous prime is 80426611. The next prime is 80426663. The reversal of 80426656 is 65662408.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 34999056 = 6740^2 + 5916^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256635 + ... + 1256698.

Almost surely, 2^80426656 is an apocalyptic number.

It is an amenable number.

80426656 is a deficient number, since it is larger than the sum of its proper divisors (77913386).

80426656 is a wasteful number, since it uses less digits than its factorization.

80426656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513343 (or 2513335 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 80426656 is about 8968.0909897257. The cubic root of 80426656 is about 431.6515823520.

The spelling of 80426656 in words is "eighty million, four hundred twenty-six thousand, six hundred fifty-six".