155877829404 has 72 divisors (see below), whose sum is σ = 403907706384. Its totient is φ = 46748697600.

The previous prime is 155877829391. The next prime is 155877829409. The reversal of 155877829404 is 404928778551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155877829409) 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 23 ways as a sum of consecutive naturals, for example, 412527 + ... + 694214.

Almost surely, 2^155877829404 is an apocalyptic number.

It is an amenable number.

155877829404 is an abundant number, since it is smaller than the sum of its proper divisors (248029876980).

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

155877829404 is a wasteful number, since it uses less digits than its factorization.

155877829404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106867 (or 1106854 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 155877829404 in words is "one hundred fifty-five billion, eight hundred seventy-seven million, eight hundred twenty-nine thousand, four hundred four".