84718951 has 2 divisors, whose sum is σ = 84718952. Its totient is φ = 84718950.

The previous prime is 84718919. The next prime is 84718961. The reversal of 84718951 is 15981748.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84718951 - 2⁵ = 84718919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84718898 and 84718907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84718961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42359475 + 42359476.

It is an arithmetic number, because the mean of its divisors is an integer number (42359476).

Almost surely, 2^84718951 is an apocalyptic number.

84718951 is a deficient number, since it is larger than the sum of its proper divisors (1).

84718951 is an equidigital number, since it uses as much as digits as its factorization.

84718951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The square root of 84718951 is about 9204.2898150808. The cubic root of 84718951 is about 439.1978342561.

The spelling of 84718951 in words is "eighty-four million, seven hundred eighteen thousand, nine hundred fifty-one".