993472747 has 2 divisors, whose sum is σ = 993472748. Its totient is φ = 993472746.

The previous prime is 993472729. The next prime is 993472751. The reversal of 993472747 is 747274399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 993472747 - 2¹⁹ = 992948459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993472694 and 993472703.

It is not a weakly prime, because it can be changed into another prime (993422747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496736373 + 496736374.

It is an arithmetic number, because the mean of its divisors is an integer number (496736374).

Almost surely, 2^993472747 is an apocalyptic number.

993472747 is a deficient number, since it is larger than the sum of its proper divisors (1).

993472747 is an equidigital number, since it uses as much as digits as its factorization.

993472747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 52.

The square root of 993472747 is about 31519.4027069042. The cubic root of 993472747 is about 997.8194978662.

The spelling of 993472747 in words is "nine hundred ninety-three million, four hundred seventy-two thousand, seven hundred forty-seven".