77450784151 has 16 divisors (see below), whose sum is σ = 84697813984. Its totient is φ = 70389057024.

The previous prime is 77450784139. The next prime is 77450784157. The reversal of 77450784151 is 15148705477.

It is not a de Polignac number, because 77450784151 - 2²¹ = 77448686999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77450784095 and 77450784104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77450784157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713595 + ... + 1758211.

It is an arithmetic number, because the mean of its divisors is an integer number (5293613374).

Almost surely, 2^77450784151 is an apocalyptic number.

77450784151 is a deficient number, since it is larger than the sum of its proper divisors (7247029833).

77450784151 is a wasteful number, since it uses less digits than its factorization.

77450784151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46690.

The product of its (nonzero) digits is 1097600, while the sum is 49.

The spelling of 77450784151 in words is "seventy-seven billion, four hundred fifty million, seven hundred eighty-four thousand, one hundred fifty-one".