80904954346 has 4 divisors (see below), whose sum is σ = 121357431522. Its totient is φ = 40452477172.

The previous prime is 80904954343. The next prime is 80904954401. The reversal of 80904954346 is 64345940908.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40709115225 + 40195839121 = 201765^2 + 200489^2 .

It is a super-2 number, since 2×80904954346² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80904954293 and 80904954302.

It is not an unprimeable number, because it can be changed into a prime (80904954341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226238585 + ... + 20226238588.

Almost surely, 2^80904954346 is an apocalyptic number.

80904954346 is a deficient number, since it is larger than the sum of its proper divisors (40452477176).

80904954346 is a wasteful number, since it uses less digits than its factorization.

80904954346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40452477175.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 80904954346 in words is "eighty billion, nine hundred four million, nine hundred fifty-four thousand, three hundred forty-six".