77358480 has 40 divisors (see below), whose sum is σ = 239812032. Its totient is φ = 20628864.

The previous prime is 77358469. The next prime is 77358497. The reversal of 77358480 is 8485377.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 160924 + ... + 161403.

Almost surely, 2^77358480 is an apocalyptic number.

It is an amenable number.

77358480 is an abundant number, since it is smaller than the sum of its proper divisors (162453552).

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

77358480 is a wasteful number, since it uses less digits than its factorization.

77358480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322343 (or 322337 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 77358480 is about 8795.3669622137. The cubic root of 77358480 is about 426.0912762602.

The spelling of 77358480 in words is "seventy-seven million, three hundred fifty-eight thousand, four hundred eighty".