78795780047637 has 8 divisors (see below), whose sum is σ = 105061116904704. Its totient is φ = 52530481611168.

The previous prime is 78795780047623. The next prime is 78795780047639. The reversal of 78795780047637 is 73674008759787.

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

It is not a de Polignac number, because 78795780047637 - 2¹⁵ = 78795780014869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78795780047639) 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, 4419888 + ... + 13308905.

It is an arithmetic number, because the mean of its divisors is an integer number (13132639613088).

Almost surely, 2^{78795780047637} is an apocalyptic number.

It is an amenable number.

78795780047637 is a deficient number, since it is larger than the sum of its proper divisors (26265336857067).

78795780047637 is a wasteful number, since it uses less digits than its factorization.

78795780047637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19210299.

The product of its (nonzero) digits is 3485099520, while the sum is 78.

The spelling of 78795780047637 in words is "seventy-eight trillion, seven hundred ninety-five billion, seven hundred eighty million, forty-seven thousand, six hundred thirty-seven".