64514779 has 8 divisors (see below), whose sum is σ = 78068448. Its totient is φ = 52045440.

The previous prime is 64514777. The next prime is 64514783. The reversal of 64514779 is 97741546.

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 64514779 - 2¹ = 64514777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64514777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270952 + ... + 271189.

It is an arithmetic number, because the mean of its divisors is an integer number (9758556).

Almost surely, 2^64514779 is an apocalyptic number.

64514779 is a deficient number, since it is larger than the sum of its proper divisors (13553669).

64514779 is a wasteful number, since it uses less digits than its factorization.

64514779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542165.

The product of its digits is 211680, while the sum is 43.

The square root of 64514779 is about 8032.1092497550. The cubic root of 64514779 is about 401.0695936244.

The spelling of 64514779 in words is "sixty-four million, five hundred fourteen thousand, seven hundred seventy-nine".