84028360154 has 4 divisors (see below), whose sum is σ = 126042540234. Its totient is φ = 42014180076.

The previous prime is 84028360151. The next prime is 84028360193. The reversal of 84028360154 is 45106382048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49941969529 + 34086390625 = 223477^2 + 184625^2 .

It is not an unprimeable number, because it can be changed into a prime (84028360151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007090037 + ... + 21007090040.

Almost surely, 2^84028360154 is an apocalyptic number.

84028360154 is a deficient number, since it is larger than the sum of its proper divisors (42014180080).

84028360154 is a wasteful number, since it uses less digits than its factorization.

84028360154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42014180079.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 84028360154 in words is "eighty-four billion, twenty-eight million, three hundred sixty thousand, one hundred fifty-four".