154770930847 has 32 divisors (see below), whose sum is σ = 174149136000. Its totient is φ = 136613081088.

The previous prime is 154770930833. The next prime is 154770930857. The reversal of 154770930847 is 748039077451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154770930847 is a prime.

It is a super-2 number, since 2×154770930847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154770930857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7138279 + ... + 7159927.

It is an arithmetic number, because the mean of its divisors is an integer number (5442160500).

Almost surely, 2^154770930847 is an apocalyptic number.

154770930847 is a deficient number, since it is larger than the sum of its proper divisors (19378205153).

154770930847 is a wasteful number, since it uses less digits than its factorization.

154770930847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 154770930847 in words is "one hundred fifty-four billion, seven hundred seventy million, nine hundred thirty thousand, eight hundred forty-seven".