87670685670 has 32 divisors (see below), whose sum is σ = 210438090720. Its totient is φ = 23375688960.

The previous prime is 87670685657. The next prime is 87670685671. The reversal of 87670685670 is 7658607678.

It is a super-2 number, since 2×87670685670² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87670685671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32466 + ... + 419994.

It is an arithmetic number, because the mean of its divisors is an integer number (6576190335).

Almost surely, 2^87670685670 is an apocalyptic number.

87670685670 is an abundant number, since it is smaller than the sum of its proper divisors (122767405050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87670685670 is a wasteful number, since it uses less digits than its factorization.

87670685670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395080.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 87670685670 in words is "eighty-seven billion, six hundred seventy million, six hundred eighty-five thousand, six hundred seventy".