77615500133 has 8 divisors (see below), whose sum is σ = 79671063648. Its totient is φ = 75571325424.

The previous prime is 77615500069. The next prime is 77615500163. The reversal of 77615500133 is 33100551677.

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 77615500133 - 2⁶ = 77615500069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77615500163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833391 + ... + 2860652.

It is an arithmetic number, because the mean of its divisors is an integer number (9958882956).

Almost surely, 2^77615500133 is an apocalyptic number.

It is an amenable number.

77615500133 is a deficient number, since it is larger than the sum of its proper divisors (2055563515).

77615500133 is a wasteful number, since it uses less digits than its factorization.

77615500133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694403.

The product of its (nonzero) digits is 66150, while the sum is 38.

The spelling of 77615500133 in words is "seventy-seven billion, six hundred fifteen million, five hundred thousand, one hundred thirty-three".