76311897 has 8 divisors (see below), whose sum is σ = 101890944. Its totient is φ = 50803728.

The previous prime is 76311889. The next prime is 76311899. The reversal of 76311897 is 79811367.

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

It is not a de Polignac number, because 76311897 - 2³ = 76311889 is a prime.

It is a super-3 number, since 3×76311897³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (76311899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15153 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (12736368).

Almost surely, 2^76311897 is an apocalyptic number.

It is an amenable number.

76311897 is a deficient number, since it is larger than the sum of its proper divisors (25579047).

76311897 is a wasteful number, since it uses less digits than its factorization.

76311897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35439.

The product of its digits is 63504, while the sum is 42.

The square root of 76311897 is about 8735.6680912223. The cubic root of 76311897 is about 424.1610152228.

The spelling of 76311897 in words is "seventy-six million, three hundred eleven thousand, eight hundred ninety-seven".