997622027 has 8 divisors (see below), whose sum is σ = 1013041152. Its totient is φ = 982218600.

The previous prime is 997622023. The next prime is 997622029. The reversal of 997622027 is 720226799.

997622027 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 997622027 - 2² = 997622023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997622023) 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, 225002 + ... + 229392.

It is an arithmetic number, because the mean of its divisors is an integer number (126630144).

Almost surely, 2^997622027 is an apocalyptic number.

997622027 is a deficient number, since it is larger than the sum of its proper divisors (15419125).

997622027 is a wasteful number, since it uses less digits than its factorization.

997622027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 997622027 is about 31585.1551682115. The cubic root of 997622027 is about 999.2067131958.

The spelling of 997622027 in words is "nine hundred ninety-seven million, six hundred twenty-two thousand, twenty-seven".