542647912278 has 64 divisors (see below), whose sum is σ = 1116023811840. Its totient is φ = 175832985600.

The previous prime is 542647912277. The next prime is 542647912319. The reversal of 542647912278 is 872219746245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542647912277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44324238 + ... + 44336478.

It is an arithmetic number, because the mean of its divisors is an integer number (17437872060).

Almost surely, 2^542647912278 is an apocalyptic number.

542647912278 is an abundant number, since it is smaller than the sum of its proper divisors (573375899562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542647912278 is a wasteful number, since it uses less digits than its factorization.

542647912278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its digits is 13547520, while the sum is 57.

The spelling of 542647912278 in words is "five hundred forty-two billion, six hundred forty-seven million, nine hundred twelve thousand, two hundred seventy-eight".