77013412213400 has 96 divisors (see below), whose sum is σ = 192871297478160. Its totient is φ = 28429592547840.

The previous prime is 77013412213301. The next prime is 77013412213447. The reversal of 77013412213400 is 431221431077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8881994 + ... + 15261606.

Almost surely, 2^{77013412213400} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77013412213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96435648739080).

77013412213400 is an abundant number, since it is smaller than the sum of its proper divisors (115857885264760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77013412213400 is a wasteful number, since it uses less digits than its factorization.

77013412213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384285 (or 6384276 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 77013412213400 its reverse (431221431077), we get a palindrome (77444633644477).

The spelling of 77013412213400 in words is "seventy-seven trillion, thirteen billion, four hundred twelve million, two hundred thirteen thousand, four hundred".