76555897 has 16 divisors (see below), whose sum is σ = 86083200. Its totient is φ = 67478400.

The previous prime is 76555877. The next prime is 76555901. The reversal of 76555897 is 79855567.

It is not a de Polignac number, because 76555897 - 2¹⁹ = 76031609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76555877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89323 + ... + 90175.

It is an arithmetic number, because the mean of its divisors is an integer number (5380200).

Almost surely, 2^76555897 is an apocalyptic number.

It is an amenable number.

76555897 is a deficient number, since it is larger than the sum of its proper divisors (9527303).

76555897 is a wasteful number, since it uses less digits than its factorization.

76555897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 2646000, while the sum is 52.

The square root of 76555897 is about 8749.6226775787. The cubic root of 76555897 is about 424.6126056994.

The spelling of 76555897 in words is "seventy-six million, five hundred fifty-five thousand, eight hundred ninety-seven".