97887773 has 8 divisors (see below), whose sum is σ = 99448992. Its totient is φ = 96338736.

The previous prime is 97887743. The next prime is 97887809. The reversal of 97887773 is 37778879.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97887773 is a prime.

It is a super-2 number, since 2×97887773² = 19164032205799058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97887743) 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, 13886 + ... + 19712.

It is an arithmetic number, because the mean of its divisors is an integer number (12431124).

Almost surely, 2^97887773 is an apocalyptic number.

It is an amenable number.

97887773 is a deficient number, since it is larger than the sum of its proper divisors (1561219).

97887773 is a wasteful number, since it uses less digits than its factorization.

97887773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its digits is 4148928, while the sum is 56.

The square root of 97887773 is about 9893.8249933987. The cubic root of 97887773 is about 460.8675703386.

The spelling of 97887773 in words is "ninety-seven million, eight hundred eighty-seven thousand, seven hundred seventy-three".