77481411 has 32 divisors (see below), whose sum is σ = 129699840. Its totient is φ = 40116384.

The previous prime is 77481401. The next prime is 77481491. The reversal of 77481411 is 11418477.

It is not a de Polignac number, because 77481411 - 2⁵ = 77481379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77481401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4956 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (4053120).

Almost surely, 2^77481411 is an apocalyptic number.

77481411 is a deficient number, since it is larger than the sum of its proper divisors (52218429).

77481411 is a wasteful number, since it uses less digits than its factorization.

77481411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its digits is 6272, while the sum is 33.

The square root of 77481411 is about 8802.3525832586. The cubic root of 77481411 is about 426.3168585338.

Adding to 77481411 its reverse (11418477), we get a palindrome (88899888).

The spelling of 77481411 in words is "seventy-seven million, four hundred eighty-one thousand, four hundred eleven".