65279948 has 12 divisors (see below), whose sum is σ = 114335760. Its totient is φ = 32612592.

The previous prime is 65279947. The next prime is 65279959. The reversal of 65279948 is 84997256.

It is a happy number.

It is a super-2 number, since 2×65279948² = 8522943221765408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65279896 and 65279905.

It is not an unprimeable number, because it can be changed into a prime (65279947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (9527980).

Almost surely, 2^65279948 is an apocalyptic number.

It is an amenable number.

65279948 is a deficient number, since it is larger than the sum of its proper divisors (49055812).

65279948 is a wasteful number, since it uses less digits than its factorization.

65279948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13696 (or 13694 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 65279948 is about 8079.6007327095. The cubic root of 65279948 is about 402.6489769115.

The spelling of 65279948 in words is "sixty-five million, two hundred seventy-nine thousand, nine hundred forty-eight".