77210030081 has 8 divisors (see below), whose sum is σ = 77265679680. Its totient is φ = 77154406672.

The previous prime is 77210030071. The next prime is 77210030207. The reversal of 77210030081 is 18003001277.

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 77210030081 - 2¹⁴ = 77210013697 is a prime.

It is a super-2 number, since 2×77210030081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77210030071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13348316 + ... + 13354098.

It is an arithmetic number, because the mean of its divisors is an integer number (9658209960).

Almost surely, 2^77210030081 is an apocalyptic number.

It is an amenable number.

77210030081 is a deficient number, since it is larger than the sum of its proper divisors (55649599).

77210030081 is a wasteful number, since it uses less digits than its factorization.

77210030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095.

The product of its (nonzero) digits is 2352, while the sum is 29.

The spelling of 77210030081 in words is "seventy-seven billion, two hundred ten million, thirty thousand, eighty-one".