83451486731 has 8 divisors (see below), whose sum is σ = 83573567280. Its totient is φ = 83329464672.

The previous prime is 83451486691. The next prime is 83451486757. The reversal of 83451486731 is 13768415438.

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 83451486731 - 2³⁴ = 66271617547 is a prime.

It is a super-2 number, since 2×83451486731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83451486731.

It is not an unprimeable number, because it can be changed into a prime (83451486791) 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, 3410900 + ... + 3435278.

It is an arithmetic number, because the mean of its divisors is an integer number (10446695910).

Almost surely, 2^83451486731 is an apocalyptic number.

83451486731 is a deficient number, since it is larger than the sum of its proper divisors (122080549).

83451486731 is a wasteful number, since it uses less digits than its factorization.

83451486731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29245.

The product of its digits is 1935360, while the sum is 50.

The spelling of 83451486731 in words is "eighty-three billion, four hundred fifty-one million, four hundred eighty-six thousand, seven hundred thirty-one".