997095783151 has 16 divisors (see below), whose sum is σ = 1131176188800. Its totient is φ = 871286783328.

The previous prime is 997095783121. The next prime is 997095783157. The reversal of 997095783151 is 151387590799.

It is not a de Polignac number, because 997095783151 - 2¹¹ = 997095781103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997095783157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221481 + ... + 1867138.

It is an arithmetic number, because the mean of its divisors is an integer number (70698511800).

Almost surely, 2^997095783151 is an apocalyptic number.

997095783151 is a deficient number, since it is larger than the sum of its proper divisors (134080405649).

997095783151 is a wasteful number, since it uses less digits than its factorization.

997095783151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089958.

The product of its (nonzero) digits is 21432600, while the sum is 64.

The spelling of 997095783151 in words is "nine hundred ninety-seven billion, ninety-five million, seven hundred eighty-three thousand, one hundred fifty-one".