247990056196 has 27 divisors (see below), whose sum is σ = 444898967583. Its totient is φ = 120950839680.

The previous prime is 247990056173. The next prime is 247990056217. The reversal of 247990056196 is 691650099742.

The square root of 247990056196 is 497986.

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 1910564100 + 246079492096 = 43710^2 + 496064^2 .

It is a super-2 number, since 2×247990056196² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 247990056196.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40831816 + ... + 40837888.

Almost surely, 2^247990056196 is an apocalyptic number.

247990056196 is the 497986-th square number.

It is an amenable number.

247990056196 is a deficient number, since it is larger than the sum of its proper divisors (196908911387).

247990056196 is an frugal number, since it uses more digits than its factorization.

247990056196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12232 (or 6116 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 247990056196 in words is "two hundred forty-seven billion, nine hundred ninety million, fifty-six thousand, one hundred ninety-six".