77422088 has 8 divisors (see below), whose sum is σ = 145166430. Its totient is φ = 38711040.

The previous prime is 77422087. The next prime is 77422099. The reversal of 77422088 is 88022477.

It can be written as a sum of positive squares in only one way, i.e., 73650724 + 3771364 = 8582^2 + 1942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (77422087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4838873 + ... + 4838888.

Almost surely, 2^77422088 is an apocalyptic number.

It is an amenable number.

77422088 is a deficient number, since it is larger than the sum of its proper divisors (67744342).

77422088 is a wasteful number, since it uses less digits than its factorization.

77422088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677767 (or 9677763 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 77422088 is about 8798.9822138700. The cubic root of 77422088 is about 426.2080287647.

The spelling of 77422088 in words is "seventy-seven million, four hundred twenty-two thousand, eighty-eight".