83108402451 has 6 divisors (see below), whose sum is σ = 120045470220. Its totient is φ = 55405601628.

The previous prime is 83108402431. The next prime is 83108402467. The reversal of 83108402451 is 15420480138.

It is not a de Polignac number, because 83108402451 - 2²² = 83104208147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83108402431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617133461 + ... + 4617133478.

It is an arithmetic number, because the mean of its divisors is an integer number (20007578370).

Almost surely, 2^83108402451 is an apocalyptic number.

83108402451 is a deficient number, since it is larger than the sum of its proper divisors (36937067769).

83108402451 is a wasteful number, since it uses less digits than its factorization.

83108402451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9234266945 (or 9234266942 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 83108402451 its reverse (15420480138), we get a palindrome (98528882589).

The spelling of 83108402451 in words is "eighty-three billion, one hundred eight million, four hundred two thousand, four hundred fifty-one".