631677027 has 4 divisors (see below), whose sum is σ = 842236040. Its totient is φ = 421118016.

The previous prime is 631677023. The next prime is 631677029. The reversal of 631677027 is 720776136.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 631677027 - 2² = 631677023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631677023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105279502 + ... + 105279507.

It is an arithmetic number, because the mean of its divisors is an integer number (210559010).

Almost surely, 2^631677027 is an apocalyptic number.

631677027 is a deficient number, since it is larger than the sum of its proper divisors (210559013).

631677027 is a wasteful number, since it uses less digits than its factorization.

631677027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210559012.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 631677027 is about 25133.1857710080. The cubic root of 631677027 is about 858.0218763609.

The spelling of 631677027 in words is "six hundred thirty-one million, six hundred seventy-seven thousand, twenty-seven".