85476379 has 2 divisors, whose sum is σ = 85476380. Its totient is φ = 85476378.

The previous prime is 85476367. The next prime is 85476437. The reversal of 85476379 is 97367458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85476379 - 2¹⁷ = 85345307 is a prime.

It is a super-2 number, since 2×85476379² = 14612422733903282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85476329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42738189 + 42738190.

It is an arithmetic number, because the mean of its divisors is an integer number (42738190).

Almost surely, 2^85476379 is an apocalyptic number.

85476379 is a deficient number, since it is larger than the sum of its proper divisors (1).

85476379 is an equidigital number, since it uses as much as digits as its factorization.

85476379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 85476379 is about 9245.3436388271. The cubic root of 85476379 is about 440.5028325127.

The spelling of 85476379 in words is "eighty-five million, four hundred seventy-six thousand, three hundred seventy-nine".