97278503 has 4 divisors (see below), whose sum is σ = 111175440. Its totient is φ = 83381568.

The previous prime is 97278481. The next prime is 97278521. The reversal of 97278503 is 30587279.

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 97278503 - 2¹² = 97274407 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 (97272503) 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, 6948458 + ... + 6948471.

It is an arithmetic number, because the mean of its divisors is an integer number (27793860).

Almost surely, 2^97278503 is an apocalyptic number.

97278503 is a deficient number, since it is larger than the sum of its proper divisors (13896937).

97278503 is a wasteful number, since it uses less digits than its factorization.

97278503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896936.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 97278503 is about 9862.9865152498. The cubic root of 97278503 is about 459.9094071755.

The spelling of 97278503 in words is "ninety-seven million, two hundred seventy-eight thousand, five hundred three".