86673913920 has 560 divisors, whose sum is σ = 350993098368. Its totient is φ = 20096778240.

The previous prime is 86673913913. The next prime is 86673913973. The reversal of 86673913920 is 2931937668.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6551152 + ... + 6564368.

Almost surely, 2^86673913920 is an apocalyptic number.

86673913920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86673913920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175496549184).

86673913920 is an abundant number, since it is smaller than the sum of its proper divisors (264319184448).

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

86673913920 is a wasteful number, since it uses less digits than its factorization.

86673913920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280 (or 13261 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 86673913920 in words is "eighty-six billion, six hundred seventy-three million, nine hundred thirteen thousand, nine hundred twenty".