76453742377 has 4 divisors (see below), whose sum is σ = 76516565076. Its totient is φ = 76390919680.

The previous prime is 76453742327. The next prime is 76453742413. The reversal of 76453742377 is 77324735467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40391352576 + 36062389801 = 200976^2 + 189901^2 .

It is a cyclic number.

It is not a de Polignac number, because 76453742377 - 2¹¹ = 76453740329 is a prime.

It is a super-2 number, since 2×76453742377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76453742327) 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, 31409524 + ... + 31411957.

It is an arithmetic number, because the mean of its divisors is an integer number (19129141269).

Almost surely, 2^76453742377 is an apocalyptic number.

It is an amenable number.

76453742377 is a deficient number, since it is larger than the sum of its proper divisors (62822699).

76453742377 is a wasteful number, since it uses less digits than its factorization.

76453742377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62822698.

The product of its digits is 20744640, while the sum is 55.

The spelling of 76453742377 in words is "seventy-six billion, four hundred fifty-three million, seven hundred forty-two thousand, three hundred seventy-seven".