97707381409 has 8 divisors (see below), whose sum is σ = 106608694752. Its totient is φ = 88809205440.

The previous prime is 97707381407. The next prime is 97707381503. The reversal of 97707381409 is 90418370779.

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

It is a cyclic number.

It is not a de Polignac number, because 97707381409 - 2¹ = 97707381407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97707381409.

It is not an unprimeable number, because it can be changed into a prime (97707381407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718984 + ... + 844009.

It is an arithmetic number, because the mean of its divisors is an integer number (13326086844).

Almost surely, 2^97707381409 is an apocalyptic number.

It is an amenable number.

97707381409 is a deficient number, since it is larger than the sum of its proper divisors (8901313343).

97707381409 is a wasteful number, since it uses less digits than its factorization.

97707381409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568687.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 97707381409 in words is "ninety-seven billion, seven hundred seven million, three hundred eighty-one thousand, four hundred nine".