648598795 has 16 divisors (see below), whose sum is σ = 849677472. Its totient is φ = 472400640.

The previous prime is 648598747. The next prime is 648598817. The reversal of 648598795 is 597895846.

It is not a de Polignac number, because 648598795 - 2⁷ = 648598667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63601 + ... + 73090.

It is an arithmetic number, because the mean of its divisors is an integer number (53104842).

Almost surely, 2^648598795 is an apocalyptic number.

648598795 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

648598795 is a deficient number, since it is larger than the sum of its proper divisors (201078677).

648598795 is a wasteful number, since it uses less digits than its factorization.

648598795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136782.

The product of its digits is 21772800, while the sum is 61.

The square root of 648598795 is about 25467.6028514660. The cubic root of 648598795 is about 865.6162069858.

The spelling of 648598795 in words is "six hundred forty-eight million, five hundred ninety-eight thousand, seven hundred ninety-five".