87557050945 has 32 divisors (see below), whose sum is σ = 129334222080. Its totient is φ = 55412501760.

The previous prime is 87557050943. The next prime is 87557050957. The reversal of 87557050945 is 54905075578.

It is not a de Polignac number, because 87557050945 - 2¹ = 87557050943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87557050943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4946571 + ... + 4964239.

It is an arithmetic number, because the mean of its divisors is an integer number (4041694440).

Almost surely, 2^87557050945 is an apocalyptic number.

It is an amenable number.

87557050945 is a deficient number, since it is larger than the sum of its proper divisors (41777171135).

87557050945 is a wasteful number, since it uses less digits than its factorization.

87557050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28585.

The product of its (nonzero) digits is 8820000, while the sum is 55.

The spelling of 87557050945 in words is "eighty-seven billion, five hundred fifty-seven million, fifty thousand, nine hundred forty-five".