155049076887 has 8 divisors (see below), whose sum is σ = 207642817536. Its totient is φ = 102910693752.

The previous prime is 155049076811. The next prime is 155049076901. The reversal of 155049076887 is 788670940551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155049076887 - 2¹² = 155049072791 is a prime.

It is a super-2 number, since 2×155049076887² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 155049076887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155049076187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113838583 + ... + 113839944.

It is an arithmetic number, because the mean of its divisors is an integer number (25955352192).

Almost surely, 2^155049076887 is an apocalyptic number.

155049076887 is a deficient number, since it is larger than the sum of its proper divisors (52593740649).

155049076887 is a wasteful number, since it uses less digits than its factorization.

155049076887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227678757.

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 155049076887 in words is "one hundred fifty-five billion, forty-nine million, seventy-six thousand, eight hundred eighty-seven".