630677757 has 8 divisors (see below), whose sum is σ = 841036000. Its totient is φ = 420385680.

The previous prime is 630677717. The next prime is 630677759. The reversal of 630677757 is 757776036.

It is a happy number.

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

It is not a de Polignac number, because 630677757 - 2¹² = 630673661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630677759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13494 + ... + 37992.

It is an arithmetic number, because the mean of its divisors is an integer number (105129500).

Almost surely, 2^630677757 is an apocalyptic number.

It is an amenable number.

630677757 is a deficient number, since it is larger than the sum of its proper divisors (210358243).

630677757 is a wasteful number, since it uses less digits than its factorization.

630677757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33083.

The product of its (nonzero) digits is 1296540, while the sum is 48.

The square root of 630677757 is about 25113.2984094085. The cubic root of 630677757 is about 857.5691935314.

The spelling of 630677757 in words is "six hundred thirty million, six hundred seventy-seven thousand, seven hundred fifty-seven".