76773897 has 12 divisors (see below), whose sum is σ = 111387120. Its totient is φ = 50955768.

The previous prime is 76773883. The next prime is 76773899. The reversal of 76773897 is 79837767.

It is a happy number.

It is not a de Polignac number, because 76773897 - 2⁶ = 76773833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76773899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16747 + ... + 20832.

It is an arithmetic number, because the mean of its divisors is an integer number (9282260).

Almost surely, 2^76773897 is an apocalyptic number.

It is an amenable number.

76773897 is a deficient number, since it is larger than the sum of its proper divisors (34613223).

76773897 is a wasteful number, since it uses less digits than its factorization.

76773897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37812 (or 37809 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 76773897 is about 8762.0715016485. The cubic root of 76773897 is about 425.0152649650.

The spelling of 76773897 in words is "seventy-six million, seven hundred seventy-three thousand, eight hundred ninety-seven".