85700801 has 2 divisors, whose sum is σ = 85700802. Its totient is φ = 85700800.

The previous prime is 85700767. The next prime is 85700807. The reversal of 85700801 is 10800758.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83740801 + 1960000 = 9151^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 85700801 - 2¹⁸ = 85438657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85700807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42850400 + 42850401.

It is an arithmetic number, because the mean of its divisors is an integer number (42850401).

Almost surely, 2^85700801 is an apocalyptic number.

It is an amenable number.

85700801 is a deficient number, since it is larger than the sum of its proper divisors (1).

85700801 is an equidigital number, since it uses as much as digits as its factorization.

85700801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 85700801 is about 9257.4727112749. The cubic root of 85700801 is about 440.8880154707. Note that the first 3 decimals are identical.

The spelling of 85700801 in words is "eighty-five million, seven hundred thousand, eight hundred one".