77933011 has 4 divisors (see below), whose sum is σ = 83927872. Its totient is φ = 71938152.

The previous prime is 77932999. The next prime is 77933017. The reversal of 77933011 is 11033977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11033977 = 2069 ⋅5333.

It is not a de Polignac number, because 77933011 - 2⁵ = 77932979 is a prime.

It is a super-2 number, since 2×77933011² = 12147108407052242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77933017) 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 3 ways as a sum of consecutive naturals, for example, 2997411 + ... + 2997436.

It is an arithmetic number, because the mean of its divisors is an integer number (20981968).

Almost surely, 2^77933011 is an apocalyptic number.

77933011 is a deficient number, since it is larger than the sum of its proper divisors (5994861).

77933011 is a wasteful number, since it uses less digits than its factorization.

77933011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994860.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 77933011 is about 8827.9675463835. The cubic root of 77933011 is about 427.1435164133.

Adding to 77933011 its reverse (11033977), we get a palindrome (88966988).

The spelling of 77933011 in words is "seventy-seven million, nine hundred thirty-three thousand, eleven".