97877903 has 4 divisors (see below), whose sum is σ = 102133488. Its totient is φ = 93622320.

The previous prime is 97877893. The next prime is 97877953. The reversal of 97877903 is 30977879.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97877903 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 (97877953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127758 + ... + 2127803.

It is an arithmetic number, because the mean of its divisors is an integer number (25533372).

Almost surely, 2^97877903 is an apocalyptic number.

97877903 is a deficient number, since it is larger than the sum of its proper divisors (4255585).

97877903 is a wasteful number, since it uses less digits than its factorization.

97877903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255584.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 97877903 is about 9893.3261848582. The cubic root of 97877903 is about 460.8520800968.

The spelling of 97877903 in words is "ninety-seven million, eight hundred seventy-seven thousand, nine hundred three".