77738413900 has 36 divisors (see below), whose sum is σ = 192791268208. Its totient is φ = 26653170240.

The previous prime is 77738413853. The next prime is 77738413903. The reversal of 77738413900 is 931483777.

It is not an unprimeable number, because it can be changed into a prime (77738413903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55526739 + ... + 55528138.

Almost surely, 2^77738413900 is an apocalyptic number.

77738413900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77738413900 is an abundant number, since it is smaller than the sum of its proper divisors (115052854308).

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

77738413900 is a wasteful number, since it uses less digits than its factorization.

77738413900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111054898 (or 111054891 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 77738413900 in words is "seventy-seven billion, seven hundred thirty-eight million, four hundred thirteen thousand, nine hundred".