65279888061 has 8 divisors (see below), whose sum is σ = 87167291040. Its totient is φ = 43456205232.

The previous prime is 65279888057. The next prime is 65279888101. The reversal of 65279888061 is 16088897256.

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

It is not a de Polignac number, because 65279888061 - 2² = 65279888057 is a prime.

It is a super-2 number, since 2×65279888061² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65279887986 and 65279888004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65279888041) 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, 15927646 + ... + 15931743.

It is an arithmetic number, because the mean of its divisors is an integer number (10895911380).

Almost surely, 2^65279888061 is an apocalyptic number.

It is an amenable number.

65279888061 is a deficient number, since it is larger than the sum of its proper divisors (21887402979).

65279888061 is a wasteful number, since it uses less digits than its factorization.

65279888061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31860075.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 65279888061 in words is "sixty-five billion, two hundred seventy-nine million, eight hundred eighty-eight thousand, sixty-one".