77016112213331 has 4 divisors (see below), whose sum is σ = 77079604475232. Its totient is φ = 76952619951432.

The previous prime is 77016112213321. The next prime is 77016112213373. The reversal of 77016112213331 is 13331221161077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77016112213331 - 2²² = 77016108019027 is a prime.

It is a super-2 number, since 2×77016112213331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77016112213301) 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, 31746129131 + ... + 31746131556.

It is an arithmetic number, because the mean of its divisors is an integer number (19269901118808).

Almost surely, 2^{77016112213331} is an apocalyptic number.

77016112213331 is a deficient number, since it is larger than the sum of its proper divisors (63492261901).

77016112213331 is a wasteful number, since it uses less digits than its factorization.

77016112213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63492261900.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 77016112213331 in words is "seventy-seven trillion, sixteen billion, one hundred twelve million, two hundred thirteen thousand, three hundred thirty-one".