97840783102501 has 4 divisors (see below), whose sum is σ = 98381339915404. Its totient is φ = 97300226289600.

The previous prime is 97840783102423. The next prime is 97840783102511. The reversal of 97840783102501 is 10520138704879.

It is a Cunningham number, because it is equal to 9891450²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1078129188900 + 96762653913601 = 1038330^2 + 9836801^2 .

It is a cyclic number.

It is not a de Polignac number, because 97840783102501 - 2¹⁹ = 97840782578213 is a prime.

It is a super-2 number, since 2×97840783102501² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97840783102511) 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, 270278406180 + ... + 270278406541.

It is an arithmetic number, because the mean of its divisors is an integer number (24595334978851).

Almost surely, 2^{97840783102501} is an apocalyptic number.

It is an amenable number.

97840783102501 is a deficient number, since it is larger than the sum of its proper divisors (540556812903).

97840783102501 is a wasteful number, since it uses less digits than its factorization.

97840783102501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540556812902.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 97840783102501 in words is "ninety-seven trillion, eight hundred forty billion, seven hundred eighty-three million, one hundred two thousand, five hundred one".