77482331 has 8 divisors (see below), whose sum is σ = 81876480. Its totient is φ = 73173672.

The previous prime is 77482313. The next prime is 77482337. The reversal of 77482331 is 13328477.

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

It is not a de Polignac number, because 77482331 - 2²² = 73288027 is a prime.

It is a super-2 number, since 2×77482331² = 12007023234387122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77482291 and 77482300.

It is not an unprimeable number, because it can be changed into a prime (77482337) 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, 19505 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (10234560).

Almost surely, 2^77482331 is an apocalyptic number.

77482331 is a deficient number, since it is larger than the sum of its proper divisors (4394149).

77482331 is a wasteful number, since it uses less digits than its factorization.

77482331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42745.

The product of its digits is 28224, while the sum is 35.

The square root of 77482331 is about 8802.4048418600. The cubic root of 77482331 is about 426.3185458631.

The spelling of 77482331 in words is "seventy-seven million, four hundred eighty-two thousand, three hundred thirty-one".