77284036213 has 8 divisors (see below), whose sum is σ = 79470046656. Its totient is φ = 75112360800.

The previous prime is 77284036189. The next prime is 77284036217. The reversal of 77284036213 is 31263048277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77284036213 - 2¹³ = 77284028021 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 77284036213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77284036217) 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, 3572823 + ... + 3594388.

It is an arithmetic number, because the mean of its divisors is an integer number (9933755832).

Almost surely, 2^77284036213 is an apocalyptic number.

It is an amenable number.

77284036213 is a deficient number, since it is larger than the sum of its proper divisors (2186010443).

77284036213 is a wasteful number, since it uses less digits than its factorization.

77284036213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167515.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 77284036213 in words is "seventy-seven billion, two hundred eighty-four million, thirty-six thousand, two hundred thirteen".