997790848510 has 16 divisors (see below), whose sum is σ = 1844564704416. Its totient is φ = 388329411168.

The previous prime is 997790848501. The next prime is 997790848513. The reversal of 997790848510 is 15848097799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997790848513) 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, 1348365642 + ... + 1348366381.

It is an arithmetic number, because the mean of its divisors is an integer number (115285294026).

Almost surely, 2^997790848510 is an apocalyptic number.

997790848510 is a deficient number, since it is larger than the sum of its proper divisors (846773855906).

997790848510 is a wasteful number, since it uses less digits than its factorization.

997790848510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696732067.

The product of its (nonzero) digits is 45722880, while the sum is 67.

The spelling of 997790848510 in words is "nine hundred ninety-seven billion, seven hundred ninety million, eight hundred forty-eight thousand, five hundred ten".