77451314576 has 40 divisors (see below), whose sum is σ = 152800220160. Its totient is φ = 38023762176.

The previous prime is 77451314497. The next prime is 77451314581. The reversal of 77451314576 is 67541315477.

It is a super-2 number, since 2×77451314576² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111785 + ... + 409143.

It is an arithmetic number, because the mean of its divisors is an integer number (3820005504).

Almost surely, 2^77451314576 is an apocalyptic number.

It is an amenable number.

77451314576 is a deficient number, since it is larger than the sum of its proper divisors (75348905584).

77451314576 is a wasteful number, since it uses less digits than its factorization.

77451314576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297663 (or 297657 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 50.

Subtracting from 77451314576 its reverse (67541315477), we obtain a palindrome (9909999099).

The spelling of 77451314576 in words is "seventy-seven billion, four hundred fifty-one million, three hundred fourteen thousand, five hundred seventy-six".