77065433 has 8 divisors (see below), whose sum is σ = 81247488. Its totient is φ = 72952704.

The previous prime is 77065427. The next prime is 77065447. The reversal of 77065433 is 33456077.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 77065433 - 2¹⁰ = 77064409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77065393 and 77065402.

It is not an unprimeable number, because it can be changed into a prime (77065493) 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, 15041 + ... + 19502.

It is an arithmetic number, because the mean of its divisors is an integer number (10155936).

Almost surely, 2^77065433 is an apocalyptic number.

It is an amenable number.

77065433 is a deficient number, since it is larger than the sum of its proper divisors (4182055).

77065433 is a wasteful number, since it uses less digits than its factorization.

77065433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34663.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 77065433 is about 8778.6919868509. The cubic root of 77065433 is about 425.5525601749.

The spelling of 77065433 in words is "seventy-seven million, sixty-five thousand, four hundred thirty-three".