77334000400 has 60 divisors (see below), whose sum is σ = 185922655744. Its totient is φ = 30912336000.

The previous prime is 77334000379. The next prime is 77334000421. The reversal of 77334000400 is 400043377.

It is an interprime number because it is at equal distance from previous prime (77334000379) and next prime (77334000421).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522685 + ... + 654115.

Almost surely, 2^77334000400 is an apocalyptic number.

It is an amenable number.

77334000400 is an abundant number, since it is smaller than the sum of its proper divisors (108588655344).

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

77334000400 is a wasteful number, since it uses less digits than its factorization.

77334000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132920 (or 132909 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

Adding to 77334000400 its reverse (400043377), we get a palindrome (77734043777).

The spelling of 77334000400 in words is "seventy-seven billion, three hundred thirty-four million, four hundred", and thus it is an aban number.