142878877299 has 12 divisors (see below), whose sum is σ = 206404886376. Its totient is φ = 95241376032.

The previous prime is 142878877291. The next prime is 142878877301. The reversal of 142878877299 is 992778878241.

It is not a de Polignac number, because 142878877299 - 2³ = 142878877291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142878877291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852969 + ... + 1006634.

It is an arithmetic number, because the mean of its divisors is an integer number (17200407198).

Almost surely, 2^142878877299 is an apocalyptic number.

142878877299 is a deficient number, since it is larger than the sum of its proper divisors (63526009077).

142878877299 is a wasteful number, since it uses less digits than its factorization.

142878877299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868146 (or 1868143 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 72.

The spelling of 142878877299 in words is "one hundred forty-two billion, eight hundred seventy-eight million, eight hundred seventy-seven thousand, two hundred ninety-nine".