117202837801 has 9 divisors (see below), whose sum is σ = 136340782749. Its totient is φ = 100457521164.

The previous prime is 117202837799. The next prime is 117202837831. The reversal of 117202837801 is 108738202711.

The square root of 117202837801 is 342349.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 117202837801 - 2¹ = 117202837799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117202837831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2371990 + ... + 2420896.

It is an arithmetic number, because the mean of its divisors is an integer number (15148975861).

Almost surely, 2^117202837801 is an apocalyptic number.

117202837801 is the 342349-th square number.

117202837801 is the 171175-th centered octagonal number.

It is an amenable number.

117202837801 is a deficient number, since it is larger than the sum of its proper divisors (19137944948).

117202837801 is an frugal number, since it uses more digits than its factorization.

117202837801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97828 (or 48914 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 117202837801 in words is "one hundred seventeen billion, two hundred two million, eight hundred thirty-seven thousand, eight hundred one".