10897821790 has 16 divisors (see below), whose sum is σ = 19884793968. Its totient is φ = 4299414336.

The previous prime is 10897821761. The next prime is 10897821791. The reversal of 10897821790 is 9712879801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10897821791) 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, 7463532 + ... + 7464991.

It is an arithmetic number, because the mean of its divisors is an integer number (1242799623).

Almost surely, 2^10897821790 is an apocalyptic number.

10897821790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10897821790 is a deficient number, since it is larger than the sum of its proper divisors (8986972178).

10897821790 is a wasteful number, since it uses less digits than its factorization.

10897821790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14928603.

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 10897821790 in words is "ten billion, eight hundred ninety-seven million, eight hundred twenty-one thousand, seven hundred ninety".