86974821451 has 8 divisors (see below), whose sum is σ = 101275264224. Its totient is φ = 73143245760.

The previous prime is 86974821361. The next prime is 86974821491. The reversal of 86974821451 is 15412847968.

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

It is a cyclic number.

It is not a de Polignac number, because 86974821451 - 2⁹ = 86974820939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86974821392 and 86974821401.

It is not an unprimeable number, because it can be changed into a prime (86974821491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117216370 + ... + 117217111.

It is an arithmetic number, because the mean of its divisors is an integer number (12659408028).

Almost surely, 2^86974821451 is an apocalyptic number.

86974821451 is a deficient number, since it is larger than the sum of its proper divisors (14300442773).

86974821451 is a wasteful number, since it uses less digits than its factorization.

86974821451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234433541.

The product of its digits is 3870720, while the sum is 55.

The spelling of 86974821451 in words is "eighty-six billion, nine hundred seventy-four million, eight hundred twenty-one thousand, four hundred fifty-one".