87070366421786 has 128 divisors (see below), whose sum is σ = 145600234560000. Its totient is φ = 38723487989760.

The previous prime is 87070366421783. The next prime is 87070366421791. The reversal of 87070366421786 is 68712466307078.

It is not an unprimeable number, because it can be changed into a prime (87070366421783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56210694140 + ... + 56210695688.

It is an arithmetic number, because the mean of its divisors is an integer number (1137501832500).

Almost surely, 2^{87070366421786} is an apocalyptic number.

87070366421786 is a deficient number, since it is larger than the sum of its proper divisors (58529868138214).

87070366421786 is a wasteful number, since it uses less digits than its factorization.

87070366421786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 113799168, while the sum is 65.

The spelling of 87070366421786 in words is "eighty-seven trillion, seventy billion, three hundred sixty-six million, four hundred twenty-one thousand, seven hundred eighty-six".