648872695 has 8 divisors (see below), whose sum is σ = 780089760. Its totient is φ = 518136480.

The previous prime is 648872659. The next prime is 648872723. The reversal of 648872695 is 596278846.

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

It is not a de Polignac number, because 648872695 - 2⁹ = 648872183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117235 + ... + 122644.

It is an arithmetic number, because the mean of its divisors is an integer number (97511220).

Almost surely, 2^648872695 is an apocalyptic number.

648872695 is a deficient number, since it is larger than the sum of its proper divisors (131217065).

648872695 is a wasteful number, since it uses less digits than its factorization.

648872695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240425.

The product of its digits is 5806080, while the sum is 55.

The square root of 648872695 is about 25472.9797039922. The cubic root of 648872695 is about 865.7380382907.

The spelling of 648872695 in words is "six hundred forty-eight million, eight hundred seventy-two thousand, six hundred ninety-five".