64979803 has 8 divisors (see below), whose sum is σ = 75843072. Its totient is φ = 54511656.

The previous prime is 64979767. The next prime is 64979809. The reversal of 64979803 is 30897946.

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

It is a cyclic number.

It is not a de Polignac number, because 64979803 - 2¹³ = 64971611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64979809) 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, 98425 + ... + 99082.

It is an arithmetic number, because the mean of its divisors is an integer number (9480384).

Almost surely, 2^64979803 is an apocalyptic number.

64979803 is a deficient number, since it is larger than the sum of its proper divisors (10863269).

64979803 is a wasteful number, since it uses less digits than its factorization.

64979803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197561.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 64979803 is about 8061.0050862160. The cubic root of 64979803 is about 402.0309271356.

The spelling of 64979803 in words is "sixty-four million, nine hundred seventy-nine thousand, eight hundred three".