156778483 has 2 divisors, whose sum is σ = 156778484. Its totient is φ = 156778482.

The previous prime is 156778441. The next prime is 156778507. The reversal of 156778483 is 384877651.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 156778483 - 2¹³ = 156770291 is a prime.

It is not a weakly prime, because it can be changed into another prime (156778183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78389241 + 78389242.

It is an arithmetic number, because the mean of its divisors is an integer number (78389242).

Almost surely, 2^156778483 is an apocalyptic number.

156778483 is a deficient number, since it is larger than the sum of its proper divisors (1).

156778483 is an equidigital number, since it uses as much as digits as its factorization.

156778483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 156778483 is about 12521.1214753312. The cubic root of 156778483 is about 539.2152329575.

The spelling of 156778483 in words is "one hundred fifty-six million, seven hundred seventy-eight thousand, four hundred eighty-three".