85406377 has 8 divisors (see below), whose sum is σ = 97699392. Its totient is φ = 73136400.

The previous prime is 85406359. The next prime is 85406381. The reversal of 85406377 is 77360458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85406377 - 2¹⁹ = 84882089 is a prime.

It is a super-2 number, since 2×85406377² = 14588498464532258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85406327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3102 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (12212424).

Almost surely, 2^85406377 is an apocalyptic number.

It is an amenable number.

85406377 is a deficient number, since it is larger than the sum of its proper divisors (12293015).

85406377 is a wasteful number, since it uses less digits than its factorization.

85406377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 85406377 is about 9241.5570657763. The cubic root of 85406377 is about 440.3825478159.

The spelling of 85406377 in words is "eighty-five million, four hundred six thousand, three hundred seventy-seven".