87282571263878 has 32 divisors (see below), whose sum is σ = 138626200167840. Its totient is φ = 41169070944000.

The previous prime is 87282571263829. The next prime is 87282571263883. The reversal of 87282571263878 is 87836217528278.

It is a super-2 number, since 2×87282571263878² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147582293 + ... + 148172528.

It is an arithmetic number, because the mean of its divisors is an integer number (4332068755245).

Almost surely, 2^{87282571263878} is an apocalyptic number.

87282571263878 is a deficient number, since it is larger than the sum of its proper divisors (51343628903962).

87282571263878 is a wasteful number, since it uses less digits than its factorization.

87282571263878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295754984.

The product of its digits is 1011548160, while the sum is 74.

The spelling of 87282571263878 in words is "eighty-seven trillion, two hundred eighty-two billion, five hundred seventy-one million, two hundred sixty-three thousand, eight hundred seventy-eight".