42847155752499 has 48 divisors (see below), whose sum is σ = 74021444378400. Its totient is φ = 24424225394688.

The previous prime is 42847155752491. The next prime is 42847155752503. The reversal of 42847155752499 is 99425755174824.

42847155752499 is a `hidden beast` number, since 4 + 2 + 8 + 4 + 7 + 1 + 5 + 5 + 7 + 524 + 99 = 666.

It is not a de Polignac number, because 42847155752499 - 2³ = 42847155752491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42847155752491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39051022 + ... + 40133235.

It is an arithmetic number, because the mean of its divisors is an integer number (1542113424550).

Almost surely, 2^{42847155752499} is an apocalyptic number.

42847155752499 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42847155752499 is a deficient number, since it is larger than the sum of its proper divisors (31174288625901).

42847155752499 is a wasteful number, since it uses less digits than its factorization.

42847155752499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79184689 (or 79184676 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 72.

The spelling of 42847155752499 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-five million, seven hundred fifty-two thousand, four hundred ninety-nine".