87728722310 has 8 divisors (see below), whose sum is σ = 157911700176. Its totient is φ = 35091488920.

The previous prime is 87728722271. The next prime is 87728722327. The reversal of 87728722310 is 1322782778.

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

It is a super-2 number, since 2×87728722310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386436106 + ... + 4386436125.

It is an arithmetic number, because the mean of its divisors is an integer number (19738962522).

Almost surely, 2^87728722310 is an apocalyptic number.

87728722310 is a deficient number, since it is larger than the sum of its proper divisors (70182977866).

87728722310 is a wasteful number, since it uses less digits than its factorization.

87728722310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772872238.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 87728722310 in words is "eighty-seven billion, seven hundred twenty-eight million, seven hundred twenty-two thousand, three hundred ten".