77382908 has 12 divisors (see below), whose sum is σ = 138723312. Its totient is φ = 37747680.

The previous prime is 77382901. The next prime is 77382917. The reversal of 77382908 is 80928377.

It is a happy number.

It is a super-2 number, since 2×77382908² = 11976228901072928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77382901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235760 + ... + 236087.

It is an arithmetic number, because the mean of its divisors is an integer number (11560276).

Almost surely, 2^77382908 is an apocalyptic number.

It is an amenable number.

77382908 is a deficient number, since it is larger than the sum of its proper divisors (61340404).

77382908 is a wasteful number, since it uses less digits than its factorization.

77382908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471892 (or 471890 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 77382908 is about 8796.7555382652. The cubic root of 77382908 is about 426.1361214290.

The spelling of 77382908 in words is "seventy-seven million, three hundred eighty-two thousand, nine hundred eight".