677445962225 has 24 divisors (see below), whose sum is σ = 854560447488. Its totient is φ = 532663992000.

The previous prime is 677445962201. The next prime is 677445962231. The reversal of 677445962225 is 522269544776.

It is not a de Polignac number, because 677445962225 - 2¹⁰ = 677445961201 is a prime.

It is a super-2 number, since 2×677445962225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 657326 + ... + 1336775.

It is an arithmetic number, because the mean of its divisors is an integer number (35606685312).

Almost surely, 2^677445962225 is an apocalyptic number.

It is an amenable number.

677445962225 is a deficient number, since it is larger than the sum of its proper divisors (177114485263).

677445962225 is a wasteful number, since it uses less digits than its factorization.

677445962225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994345 (or 1994340 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 59.

The spelling of 677445962225 in words is "six hundred seventy-seven billion, four hundred forty-five million, nine hundred sixty-two thousand, two hundred twenty-five".