77000033 has 4 divisors (see below), whose sum is σ = 84000048. Its totient is φ = 70000020.

The previous prime is 77000029. The next prime is 77000039. The reversal of 77000033 is 33000077.

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.

It is a cyclic number.

It is not a de Polignac number, because 77000033 - 2² = 77000029 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 76999969 and 77000014.

It is not an unprimeable number, because it can be changed into a prime (77000039) 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, 3499991 + ... + 3500012.

It is an arithmetic number, because the mean of its divisors is an integer number (21000012).

Almost surely, 2^77000033 is an apocalyptic number.

It is an amenable number.

77000033 is a deficient number, since it is larger than the sum of its proper divisors (7000015).

77000033 is a wasteful number, since it uses less digits than its factorization.

77000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000014.

The product of its (nonzero) digits is 441, while the sum is 20.

The square root of 77000033 is about 8774.9662677414. The cubic root of 77000033 is about 425.4321472875.

The spelling of 77000033 in words is "seventy-seven million, thirty-three", and thus it is an aban number and an uban number.