87201810278 has 24 divisors (see below), whose sum is σ = 151341992760. Its totient is φ = 37551016800.

The previous prime is 87201810239. The next prime is 87201810299.

87201810278 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9477983 + ... + 9487178.

It is an arithmetic number, because the mean of its divisors is an integer number (6305916365).

Almost surely, 2^87201810278 is an apocalyptic number.

87201810278 is a deficient number, since it is larger than the sum of its proper divisors (64140182482).

87201810278 is a wasteful number, since it uses less digits than its factorization.

87201810278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18965204 (or 18965193 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The spelling of 87201810278 in words is "eighty-seven billion, two hundred one million, eight hundred ten thousand, two hundred seventy-eight".