77309474100 has 36 divisors (see below), whose sum is σ = 223682079264. Its totient is φ = 20615859680.

The previous prime is 77309474059. The next prime is 77309474107. The reversal of 77309474100 is 147490377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77309474107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128848824 + ... + 128849423.

Almost surely, 2^77309474100 is an apocalyptic number.

It is an amenable number.

77309474100 is an abundant number, since it is smaller than the sum of its proper divisors (146372605164).

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

77309474100 is a wasteful number, since it uses less digits than its factorization.

77309474100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257698264 (or 257698257 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 77309474100 in words is "seventy-seven billion, three hundred nine million, four hundred seventy-four thousand, one hundred".