64897862 has 4 divisors (see below), whose sum is σ = 97346796. Its totient is φ = 32448930.

The previous prime is 64897841. The next prime is 64897867. The reversal of 64897862 is 26879846.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64897862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64897867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16224464 + ... + 16224467.

It is an arithmetic number, because the mean of its divisors is an integer number (24336699).

Almost surely, 2^64897862 is an apocalyptic number.

64897862 is a deficient number, since it is larger than the sum of its proper divisors (32448934).

64897862 is a wasteful number, since it uses less digits than its factorization.

64897862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32448933.

The product of its digits is 1161216, while the sum is 50.

The square root of 64897862 is about 8055.9209281124. The cubic root of 64897862 is about 401.8618660243.

The spelling of 64897862 in words is "sixty-four million, eight hundred ninety-seven thousand, eight hundred sixty-two".