97680667 has 6 divisors (see below), whose sum is σ = 113628588. Its totient is φ = 83726244.

The previous prime is 97680641. The next prime is 97680673. The reversal of 97680667 is 76608679.

It is not a de Polignac number, because 97680667 - 2¹⁵ = 97647899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1993483 = 97680667 / (9 + 7 + 6 + 8 + 0 + 6 + 6 + 7).

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 97680667.

It is not an unprimeable number, because it can be changed into a prime (97680367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 996693 + ... + 996790.

It is an arithmetic number, because the mean of its divisors is an integer number (18938098).

Almost surely, 2^97680667 is an apocalyptic number.

97680667 is a deficient number, since it is larger than the sum of its proper divisors (15947921).

97680667 is a wasteful number, since it uses less digits than its factorization.

97680667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993497 (or 1993490 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 97680667 is about 9883.3530241513. The cubic root of 97680667 is about 460.5423140772.

The spelling of 97680667 in words is "ninety-seven million, six hundred eighty thousand, six hundred sixty-seven".