676053442781 has 8 divisors (see below), whose sum is σ = 706682543424. Its totient is φ = 645527298240.

The previous prime is 676053442777. The next prime is 676053442783. The reversal of 676053442781 is 187244350676.

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 676053442781 - 2² = 676053442777 is a prime.

It is a super-2 number, since 2×676053442781² (a number of 24 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 (676053442783) 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, 25725596 + ... + 25751861.

It is an arithmetic number, because the mean of its divisors is an integer number (88335317928).

Almost surely, 2^676053442781 is an apocalyptic number.

It is an amenable number.

676053442781 is a deficient number, since it is larger than the sum of its proper divisors (30629100643).

676053442781 is a wasteful number, since it uses less digits than its factorization.

676053442781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51478051.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 676053442781 in words is "six hundred seventy-six billion, fifty-three million, four hundred forty-two thousand, seven hundred eighty-one".