97795643 has 4 divisors (see below), whose sum is σ = 106686168. Its totient is φ = 88905120.

The previous prime is 97795637. The next prime is 97795651. The reversal of 97795643 is 34659779.

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

It is a cyclic number.

It is not a de Polignac number, because 97795643 - 2⁸ = 97795387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97795591 and 97795600.

It is not an unprimeable number, because it can be changed into a prime (97795043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445246 + ... + 4445267.

It is an arithmetic number, because the mean of its divisors is an integer number (26671542).

Almost surely, 2^97795643 is an apocalyptic number.

97795643 is a deficient number, since it is larger than the sum of its proper divisors (8890525).

97795643 is a wasteful number, since it uses less digits than its factorization.

97795643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890524.

The product of its digits is 1428840, while the sum is 50.

The square root of 97795643 is about 9889.1679629785. The cubic root of 97795643 is about 460.7229385299.

The spelling of 97795643 in words is "ninety-seven million, seven hundred ninety-five thousand, six hundred forty-three".