77422300 has 18 divisors (see below), whose sum is σ = 168006608. Its totient is φ = 30968880.

The previous prime is 77422297. The next prime is 77422307. The reversal of 77422300 is 322477.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387012 + ... + 387211.

Almost surely, 2^77422300 is an apocalyptic number.

It is an amenable number.

77422300 is an abundant number, since it is smaller than the sum of its proper divisors (90584308).

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

77422300 is a wasteful number, since it uses less digits than its factorization.

77422300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774237 (or 774230 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 77422300 is about 8798.9942607096. The cubic root of 77422300 is about 426.2084177838.

Adding to 77422300 its reverse (322477), we get a palindrome (77744777).

The spelling of 77422300 in words is "seventy-seven million, four hundred twenty-two thousand, three hundred".