84751955357 has 2 divisors, whose sum is σ = 84751955358. Its totient is φ = 84751955356.

The previous prime is 84751955317. The next prime is 84751955399. The reversal of 84751955357 is 75355915748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69239501956 + 15512453401 = 263134^2 + 124549^2 .

It is a cyclic number.

It is not a de Polignac number, because 84751955357 - 2²² = 84747761053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84751955296 and 84751955305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84751955317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42375977678 + 42375977679.

It is an arithmetic number, because the mean of its divisors is an integer number (42375977679).

Almost surely, 2^84751955357 is an apocalyptic number.

It is an amenable number.

84751955357 is a deficient number, since it is larger than the sum of its proper divisors (1).

84751955357 is an equidigital number, since it uses as much as digits as its factorization.

84751955357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460000, while the sum is 59.

The spelling of 84751955357 in words is "eighty-four billion, seven hundred fifty-one million, nine hundred fifty-five thousand, three hundred fifty-seven".