537139779 has 16 divisors (see below), whose sum is σ = 792301824. Its totient is φ = 320952800.

The previous prime is 537139751. The next prime is 537139781. The reversal of 537139779 is 977931735.

It is a cyclic number.

It is not a de Polignac number, because 537139779 - 2¹⁶ = 537074243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537139739) 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, 112284 + ... + 116969.

It is an arithmetic number, because the mean of its divisors is an integer number (49518864).

Almost surely, 2^537139779 is an apocalyptic number.

537139779 is a deficient number, since it is larger than the sum of its proper divisors (255162045).

537139779 is a wasteful number, since it uses less digits than its factorization.

537139779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229338.

The product of its digits is 1250235, while the sum is 51.

The square root of 537139779 is about 23176.2762108152. The cubic root of 537139779 is about 812.8849919544.

It can be divided in two parts, 5371 and 39779, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 537139779 in words is "five hundred thirty-seven million, one hundred thirty-nine thousand, seven hundred seventy-nine".