97770979916351 has 16 divisors (see below), whose sum is σ = 118340814316800. Its totient is φ = 78905902681728.

The previous prime is 97770979916347. The next prime is 97770979916369. The reversal of 97770979916351 is 15361997907779.

It is a cyclic number.

It is not a de Polignac number, because 97770979916351 - 2² = 97770979916347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97770979916251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254948106 + ... + 2254991463.

It is an arithmetic number, because the mean of its divisors is an integer number (7396300894800).

Almost surely, 2^{97770979916351} is an apocalyptic number.

97770979916351 is a deficient number, since it is larger than the sum of its proper divisors (20569834400449).

97770979916351 is a wasteful number, since it uses less digits than its factorization.

97770979916351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509939758.

The product of its (nonzero) digits is 1417766490, while the sum is 80.

The spelling of 97770979916351 in words is "ninety-seven trillion, seven hundred seventy billion, nine hundred seventy-nine million, nine hundred sixteen thousand, three hundred fifty-one".