77253227700 has 72 divisors (see below), whose sum is σ = 243839289120. Its totient is φ = 18728054400.

The previous prime is 77253227699. The next prime is 77253227741. The reversal of 77253227700 is 772235277.

It is a super-2 number, since 2×77253227700² (a number of 23 digits) contains 22 as substring.

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, 11701735 + ... + 11708334.

Almost surely, 2^77253227700 is an apocalyptic number.

It is an amenable number.

77253227700 is an abundant number, since it is smaller than the sum of its proper divisors (166586061420).

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

77253227700 is a wasteful number, since it uses less digits than its factorization.

77253227700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23410097 (or 23410090 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 42.

The spelling of 77253227700 in words is "seventy-seven billion, two hundred fifty-three million, two hundred twenty-seven thousand, seven hundred".