76216897 has 4 divisors (see below), whose sum is σ = 76765360. Its totient is φ = 75668436.

The previous prime is 76216883. The next prime is 76216913. The reversal of 76216897 is 79861267.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79861267 = 23 ⋅3472229.

It is a cyclic number.

It is not a de Polignac number, because 76216897 - 2¹¹ = 76214849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76216837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274023 + ... + 274300.

It is an arithmetic number, because the mean of its divisors is an integer number (19191340).

Almost surely, 2^76216897 is an apocalyptic number.

It is an amenable number.

76216897 is a deficient number, since it is larger than the sum of its proper divisors (548463).

76216897 is a wasteful number, since it uses less digits than its factorization.

76216897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548462.

The product of its digits is 254016, while the sum is 46.

The square root of 76216897 is about 8730.2289202517. The cubic root of 76216897 is about 423.9849307122.

The spelling of 76216897 in words is "seventy-six million, two hundred sixteen thousand, eight hundred ninety-seven".