997471107 has 48 divisors (see below), whose sum is σ = 1604266560. Its totient is φ = 593995776.

The previous prime is 997471093. The next prime is 997471109. The reversal of 997471107 is 701174799.

It is not a de Polignac number, because 997471107 - 2⁴ = 997471091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997471109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 481069 + ... + 483137.

It is an arithmetic number, because the mean of its divisors is an integer number (33422220).

Almost surely, 2^997471107 is an apocalyptic number.

997471107 is a deficient number, since it is larger than the sum of its proper divisors (606795453).

997471107 is a wasteful number, since it uses less digits than its factorization.

997471107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 997471107 is about 31582.7659808320. The cubic root of 997471107 is about 999.1563240778.

It can be divided in two parts, 997471 and 107, that added together give a triangular number (997578 = T₁₄₁₂).

The spelling of 997471107 in words is "nine hundred ninety-seven million, four hundred seventy-one thousand, one hundred seven".