1064631177877 has 4 divisors (see below), whose sum is σ = 1064679219136. Its totient is φ = 1064583136620.

The previous prime is 1064631177871. The next prime is 1064631177887. The reversal of 1064631177877 is 7787711364601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064631177877 is a prime.

It is a super-2 number, since 2×1064631177877² (a number of 25 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 (1064631177871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23987373 + ... + 24031714.

It is an arithmetic number, because the mean of its divisors is an integer number (266169804784).

Almost surely, 2^{1064631177877} is an apocalyptic number.

It is an amenable number.

1064631177877 is a deficient number, since it is larger than the sum of its proper divisors (48041259).

1064631177877 is an equidigital number, since it uses as much as digits as its factorization.

1064631177877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48041258.

The product of its (nonzero) digits is 8297856, while the sum is 58.

The spelling of 1064631177877 in words is "one trillion, sixty-four billion, six hundred thirty-one million, one hundred seventy-seven thousand, eight hundred seventy-seven".