83473787 has 2 divisors, whose sum is σ = 83473788. Its totient is φ = 83473786.

The previous prime is 83473769. The next prime is 83473811. The reversal of 83473787 is 78737438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83473787 - 2¹⁶ = 83408251 is a prime.

It is a super-2 number, since 2×83473787² = 13935746232242738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83473717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41736893 + 41736894.

It is an arithmetic number, because the mean of its divisors is an integer number (41736894).

Almost surely, 2^83473787 is an apocalyptic number.

83473787 is a deficient number, since it is larger than the sum of its proper divisors (1).

83473787 is an equidigital number, since it uses as much as digits as its factorization.

83473787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 83473787 is about 9136.3990171183. The cubic root of 83473787 is about 437.0354897893.

The spelling of 83473787 in words is "eighty-three million, four hundred seventy-three thousand, seven hundred eighty-seven".