83040377397 has 4 divisors (see below), whose sum is σ = 110720503200. Its totient is φ = 55360251596.

The previous prime is 83040377389. The next prime is 83040377437. The reversal of 83040377397 is 79377304038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83040377397 - 2³ = 83040377389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83040377197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13840062897 + ... + 13840062902.

It is an arithmetic number, because the mean of its divisors is an integer number (27680125800).

Almost surely, 2^83040377397 is an apocalyptic number.

It is an amenable number.

83040377397 is a deficient number, since it is larger than the sum of its proper divisors (27680125803).

83040377397 is a wasteful number, since it uses less digits than its factorization.

83040377397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680125802.

The product of its (nonzero) digits is 2667168, while the sum is 51.

The spelling of 83040377397 in words is "eighty-three billion, forty million, three hundred seventy-seven thousand, three hundred ninety-seven".