97903679 has 4 divisors (see below), whose sum is σ = 99986784. Its totient is φ = 95820576.

The previous prime is 97903669. The next prime is 97903693. The reversal of 97903679 is 97630979.

It is a happy number.

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-97903679 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 (97903639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041482 + ... + 1041575.

It is an arithmetic number, because the mean of its divisors is an integer number (24996696).

Almost surely, 2^97903679 is an apocalyptic number.

97903679 is a deficient number, since it is larger than the sum of its proper divisors (2083105).

97903679 is a wasteful number, since it uses less digits than its factorization.

97903679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083104.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 97903679 is about 9894.6287954627. The cubic root of 97903679 is about 460.8925314491.

The spelling of 97903679 in words is "ninety-seven million, nine hundred three thousand, six hundred seventy-nine".