1000777770041 has 4 divisors (see below), whose sum is σ = 1143746022912. Its totient is φ = 857809517172.

The previous prime is 1000777769977. The next prime is 1000777770053. The reversal of 1000777770041 is 1400777770001.

It is a happy number.

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 not a de Polignac number, because 1000777770041 - 2⁶ = 1000777769977 is a prime.

It is a super-2 number, since 2×1000777770041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000777770061) 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, 71484126425 + ... + 71484126438.

It is an arithmetic number, because the mean of its divisors is an integer number (285936505728).

Almost surely, 2^{1000777770041} is an apocalyptic number.

It is an amenable number.

1000777770041 is a deficient number, since it is larger than the sum of its proper divisors (142968252871).

1000777770041 is an equidigital number, since it uses as much as digits as its factorization.

1000777770041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142968252870.

The product of its (nonzero) digits is 67228, while the sum is 41.

The spelling of 1000777770041 in words is "one trillion, seven hundred seventy-seven million, seven hundred seventy thousand, forty-one".