997753901 has 8 divisors (see below), whose sum is σ = 1022558208. Its totient is φ = 972972000.

The previous prime is 997753891. The next prime is 997753907. The reversal of 997753901 is 109357799.

It is a happy number.

997753901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997753901 - 2¹⁸ = 997491757 is a prime.

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 997753901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997753907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117716 + ... + 125906.

It is an arithmetic number, because the mean of its divisors is an integer number (127819776).

It is a Poulet number, since it divides 2^997753900-1.

Almost surely, 2^997753901 is an apocalyptic number.

It is an amenable number.

997753901 is a deficient number, since it is larger than the sum of its proper divisors (24804307).

997753901 is a wasteful number, since it uses less digits than its factorization.

997753901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203.

The product of its (nonzero) digits is 535815, while the sum is 50.

The square root of 997753901 is about 31587.2426938471. The cubic root of 997753901 is about 999.2507390816.

The spelling of 997753901 in words is "nine hundred ninety-seven million, seven hundred fifty-three thousand, nine hundred one".