97800196503 has 4 divisors (see below), whose sum is σ = 130400262008. Its totient is φ = 65200131000.

The previous prime is 97800196489. The next prime is 97800196517. The reversal of 97800196503 is 30569100879.

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

It is an interprime number because it is at equal distance from previous prime (97800196489) and next prime (97800196517).

It is not a de Polignac number, because 97800196503 - 2¹⁸ = 97799934359 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 (97800196103) 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, 16300032748 + ... + 16300032753.

It is an arithmetic number, because the mean of its divisors is an integer number (32600065502).

Almost surely, 2^97800196503 is an apocalyptic number.

97800196503 is a deficient number, since it is larger than the sum of its proper divisors (32600065505).

97800196503 is a wasteful number, since it uses less digits than its factorization.

97800196503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600065504.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 97800196503 in words is "ninety-seven billion, eight hundred million, one hundred ninety-six thousand, five hundred three".