77051450836 has 12 divisors (see below), whose sum is σ = 134960763028. Its totient is φ = 38491232832.

The previous prime is 77051450831. The next prime is 77051450843. The reversal of 77051450836 is 63805415077.

It can be written as a sum of positive squares in 2 ways, for example, as 43412222736 + 33639228100 = 208356^2 + 183410^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77051450831) 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, 8618121 + ... + 8627056.

Almost surely, 2^77051450836 is an apocalyptic number.

It is an amenable number.

77051450836 is a deficient number, since it is larger than the sum of its proper divisors (57909312192).

77051450836 is a wasteful number, since it uses less digits than its factorization.

77051450836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17246298 (or 17246296 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

It can be divided in two parts, 7705 and 1450836, that added together give a palindrome (1458541).

The spelling of 77051450836 in words is "seventy-seven billion, fifty-one million, four hundred fifty thousand, eight hundred thirty-six".