75780828382831 has 8 divisors (see below), whose sum is σ = 89029224953424. Its totient is φ = 63592303537920.

The previous prime is 75780828382789. The next prime is 75780828382837. The reversal of 75780828382831 is 13828382808757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75780828382831 - 2¹⁵ = 75780828350063 is a prime.

It is a super-2 number, since 2×75780828382831² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75780828382837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264967931266 + ... + 264967931551.

It is an arithmetic number, because the mean of its divisors is an integer number (11128653119178).

Almost surely, 2^{75780828382831} is an apocalyptic number.

75780828382831 is a deficient number, since it is larger than the sum of its proper divisors (13248396570593).

75780828382831 is a wasteful number, since it uses less digits than its factorization.

75780828382831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529935862841.

The product of its (nonzero) digits is 289013760, while the sum is 70.

The spelling of 75780828382831 in words is "seventy-five trillion, seven hundred eighty billion, eight hundred twenty-eight million, three hundred eighty-two thousand, eight hundred thirty-one".