80693492356 has 27 divisors (see below), whose sum is σ = 142207806223. Its totient is φ = 40064668640.

The previous prime is 80693492251. The next prime is 80693492359. The reversal of 80693492356 is 65329439608.

The square root of 80693492356 is 284066.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4729312900 + 75964179456 = 68770^2 + 275616^2 .

It is a super-2 number, since 2×80693492356² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80693492297 and 80693492306.

It is not an unprimeable number, because it can be changed into a prime (80693492359) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98286426 + ... + 98287246.

Almost surely, 2^80693492356 is an apocalyptic number.

80693492356 is the 284066-th square number.

It is an amenable number.

80693492356 is a deficient number, since it is larger than the sum of its proper divisors (61514313867).

80693492356 is an frugal number, since it uses more digits than its factorization.

80693492356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 55.

It can be divided in two parts, 80693 and 492356, that added together give a square (573049 = 757²).

The spelling of 80693492356 in words is "eighty billion, six hundred ninety-three million, four hundred ninety-two thousand, three hundred fifty-six".