77481056 has 12 divisors (see below), whose sum is σ = 152540892. Its totient is φ = 38740512.

The previous prime is 77481037. The next prime is 77481073. The reversal of 77481056 is 65018477.

It is a super-3 number, since 3×77481056³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210610 + ... + 1210673.

It is an arithmetic number, because the mean of its divisors is an integer number (12711741).

Almost surely, 2^77481056 is an apocalyptic number.

It is an amenable number.

77481056 is a deficient number, since it is larger than the sum of its proper divisors (75059836).

77481056 is a wasteful number, since it uses less digits than its factorization.

77481056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421293 (or 2421285 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 77481056 is about 8802.3324181719. The cubic root of 77481056 is about 426.3162074412.

The spelling of 77481056 in words is "seventy-seven million, four hundred eighty-one thousand, fifty-six".