1997761244110 has 8 divisors (see below), whose sum is σ = 3595970239416. Its totient is φ = 799104497640.

The previous prime is 1997761244099. The next prime is 1997761244111. The reversal of 1997761244110 is 114421677991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997761244111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99888062196 + ... + 99888062215.

It is an arithmetic number, because the mean of its divisors is an integer number (449496279927).

Almost surely, 2^{1997761244110} is an apocalyptic number.

1997761244110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1997761244110 is a deficient number, since it is larger than the sum of its proper divisors (1598208995306).

1997761244110 is a wasteful number, since it uses less digits than its factorization.

1997761244110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199776124418.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 1997761244110 in words is "one trillion, nine hundred ninety-seven billion, seven hundred sixty-one million, two hundred forty-four thousand, one hundred ten".