77086933 has 16 divisors (see below), whose sum is σ = 101168640. Its totient is φ = 56905200.

The previous prime is 77086861. The next prime is 77086943. The reversal of 77086933 is 33968077.

It is not a de Polignac number, because 77086933 - 2⁹ = 77086421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77086933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77086943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24883 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (6323040).

Almost surely, 2^77086933 is an apocalyptic number.

It is an amenable number.

77086933 is a deficient number, since it is larger than the sum of its proper divisors (24081707).

77086933 is a wasteful number, since it uses less digits than its factorization.

77086933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52728.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 77086933 is about 8779.9164574613. The cubic root of 77086933 is about 425.5921305719.

It can be divided in two parts, 7708 and 6933, that added together give a palindrome (14641).

The spelling of 77086933 in words is "seventy-seven million, eighty-six thousand, nine hundred thirty-three".