97557033983 has 4 divisors (see below), whose sum is σ = 97586219808. Its totient is φ = 97527848160.

The previous prime is 97557033971. The next prime is 97557033991. The reversal of 97557033983 is 38933075579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38933075579 = 19 ⋅2049109241.

It is a cyclic number.

It is not a de Polignac number, because 97557033983 - 2²² = 97552839679 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 (97557033913) 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, 14587898 + ... + 14594583.

It is an arithmetic number, because the mean of its divisors is an integer number (24396554952).

Almost surely, 2^97557033983 is an apocalyptic number.

97557033983 is a deficient number, since it is larger than the sum of its proper divisors (29185825).

97557033983 is a wasteful number, since it uses less digits than its factorization.

97557033983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29185824.

The product of its (nonzero) digits is 21432600, while the sum is 59.

The spelling of 97557033983 in words is "ninety-seven billion, five hundred fifty-seven million, thirty-three thousand, nine hundred eighty-three".