37878764162879 has 4 divisors (see below), whose sum is σ = 37880048174760. Its totient is φ = 37877480151000.

The previous prime is 37878764162831. The next prime is 37878764162881. The reversal of 37878764162879 is 97826146787873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37878764162879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37878764162797 and 37878764162806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37878764162809) 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, 641961689 + ... + 642020690.

It is an arithmetic number, because the mean of its divisors is an integer number (9470012043690).

Almost surely, 2^{37878764162879} is an apocalyptic number.

37878764162879 is a deficient number, since it is larger than the sum of its proper divisors (1284011881).

37878764162879 is a wasteful number, since it uses less digits than its factorization.

37878764162879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284011880.

The product of its digits is 9559130112, while the sum is 83.

The spelling of 37878764162879 in words is "thirty-seven trillion, eight hundred seventy-eight billion, seven hundred sixty-four million, one hundred sixty-two thousand, eight hundred seventy-nine".