97093556947 has 4 divisors (see below), whose sum is σ = 97180017160. Its totient is φ = 97007096736.

The previous prime is 97093556939. The next prime is 97093556969. The reversal of 97093556947 is 74965539079.

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 97093556947 - 2³ = 97093556939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97093556927) 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, 43228422 + ... + 43230667.

It is an arithmetic number, because the mean of its divisors is an integer number (24295004290).

Almost surely, 2^97093556947 is an apocalyptic number.

97093556947 is a deficient number, since it is larger than the sum of its proper divisors (86460213).

97093556947 is a wasteful number, since it uses less digits than its factorization.

97093556947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86460212.

The product of its (nonzero) digits is 64297800, while the sum is 64.

The spelling of 97093556947 in words is "ninety-seven billion, ninety-three million, five hundred fifty-six thousand, nine hundred forty-seven".