539976765 has 16 divisors (see below), whose sum is σ = 885036096. Its totient is φ = 280963200.

The previous prime is 539976761. The next prime is 539976821. The reversal of 539976765 is 567679935.

It is a happy number.

It is not a de Polignac number, because 539976765 - 2² = 539976761 is a prime.

It is a super-4 number, since 4×539976765⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539976761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438391 + ... + 439620.

It is an arithmetic number, because the mean of its divisors is an integer number (55314756).

Almost surely, 2^539976765 is an apocalyptic number.

It is an amenable number.

539976765 is a deficient number, since it is larger than the sum of its proper divisors (345059331).

539976765 is a wasteful number, since it uses less digits than its factorization.

539976765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878060.

The product of its digits is 10716300, while the sum is 57.

The square root of 539976765 is about 23237.4001342663. The cubic root of 539976765 is about 814.3136052752.

The spelling of 539976765 in words is "five hundred thirty-nine million, nine hundred seventy-six thousand, seven hundred sixty-five".