542695879 has 64 divisors (see below), whose sum is σ = 715392000. Its totient is φ = 404490240.

The previous prime is 542695877. The next prime is 542695897. The reversal of 542695879 is 978596245.

It is not a de Polignac number, because 542695879 - 2¹ = 542695877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542695877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2369737 + ... + 2369965.

It is an arithmetic number, because the mean of its divisors is an integer number (11178000).

Almost surely, 2^542695879 is an apocalyptic number.

542695879 is a deficient number, since it is larger than the sum of its proper divisors (172696121).

542695879 is a wasteful number, since it uses less digits than its factorization.

542695879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its digits is 5443200, while the sum is 55.

The square root of 542695879 is about 23295.8339408573. The cubic root of 542695879 is about 815.6781734030.

The spelling of 542695879 in words is "five hundred forty-two million, six hundred ninety-five thousand, eight hundred seventy-nine".