83767623945 has 8 divisors (see below), whose sum is σ = 134028198336. Its totient is φ = 44676066096.

The previous prime is 83767623853. The next prime is 83767623959. The reversal of 83767623945 is 54932676738.

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

It is not a de Polignac number, because 83767623945 - 2⁷ = 83767623817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792254117 + ... + 2792254146.

It is an arithmetic number, because the mean of its divisors is an integer number (16753524792).

Almost surely, 2^83767623945 is an apocalyptic number.

It is an amenable number.

83767623945 is a deficient number, since it is larger than the sum of its proper divisors (50260574391).

83767623945 is a wasteful number, since it uses less digits than its factorization.

83767623945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584508271.

The product of its digits is 45722880, while the sum is 60.

The spelling of 83767623945 in words is "eighty-three billion, seven hundred sixty-seven million, six hundred twenty-three thousand, nine hundred forty-five".