97768851 has 8 divisors (see below), whose sum is σ = 137219520. Its totient is φ = 61748712.

The previous prime is 97768829. The next prime is 97768871. The reversal of 97768851 is 15886779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97768851 - 2⁹ = 97768339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97768794 and 97768803.

It is not an unprimeable number, because it can be changed into a prime (97768871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857565 + ... + 857678.

It is an arithmetic number, because the mean of its divisors is an integer number (17152440).

Almost surely, 2^97768851 is an apocalyptic number.

97768851 is a deficient number, since it is larger than the sum of its proper divisors (39450669).

97768851 is a wasteful number, since it uses less digits than its factorization.

97768851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715265.

The product of its digits is 846720, while the sum is 51.

The square root of 97768851 is about 9887.8132567317. The cubic root of 97768851 is about 460.6808616167.

The spelling of 97768851 in words is "ninety-seven million, seven hundred sixty-eight thousand, eight hundred fifty-one".