77060684474 has 32 divisors (see below), whose sum is σ = 120339334800. Its totient is φ = 36978854400.

The previous prime is 77060684473. The next prime is 77060684479. The reversal of 77060684474 is 47448606077.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 56735905249 + 20324779225 = 238193^2 + 142565^2 .

It is not an unprimeable number, because it can be changed into a prime (77060684473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991342 + ... + 2029670.

Almost surely, 2^77060684474 is an apocalyptic number.

77060684474 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

77060684474 is a deficient number, since it is larger than the sum of its proper divisors (43278650326).

77060684474 is a wasteful number, since it uses less digits than its factorization.

77060684474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38738.

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 77060684474 in words is "seventy-seven billion, sixty million, six hundred eighty-four thousand, four hundred seventy-four".