76503057643 has 4 divisors (see below), whose sum is σ = 77551044808. Its totient is φ = 75455070480.

The previous prime is 76503057641. The next prime is 76503057647. The reversal of 76503057643 is 34675030567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34675030567 = 6871 ⋅5046577.

It is a cyclic number.

It is not a de Polignac number, because 76503057643 - 2¹ = 76503057641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76503057593 and 76503057602.

It is not an unprimeable number, because it can be changed into a prime (76503057641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523993473 + ... + 523993618.

It is an arithmetic number, because the mean of its divisors is an integer number (19387761202).

Almost surely, 2^76503057643 is an apocalyptic number.

76503057643 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

76503057643 is a deficient number, since it is larger than the sum of its proper divisors (1047987165).

76503057643 is a wasteful number, since it uses less digits than its factorization.

76503057643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047987164.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 76503057643 in words is "seventy-six billion, five hundred three million, fifty-seven thousand, six hundred forty-three".