116778072487 has 2 divisors, whose sum is σ = 116778072488. Its totient is φ = 116778072486.

The previous prime is 116778072473. The next prime is 116778072533. The reversal of 116778072487 is 784270877611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116778072487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116778052487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58389036243 + 58389036244.

It is an arithmetic number, because the mean of its divisors is an integer number (58389036244).

Almost surely, 2^116778072487 is an apocalyptic number.

116778072487 is a deficient number, since it is larger than the sum of its proper divisors (1).

116778072487 is an equidigital number, since it uses as much as digits as its factorization.

116778072487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7375872, while the sum is 58.

The spelling of 116778072487 in words is "one hundred sixteen billion, seven hundred seventy-eight million, seventy-two thousand, four hundred eighty-seven".