85577402 has 16 divisors (see below), whose sum is σ = 129511872. Its totient is φ = 42408960.

The previous prime is 85577381. The next prime is 85577407. The reversal of 85577402 is 20477558.

It is not an unprimeable number, because it can be changed into a prime (85577407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169883 + ... + 170385.

It is an arithmetic number, because the mean of its divisors is an integer number (8094492).

Almost surely, 2^85577402 is an apocalyptic number.

85577402 is a deficient number, since it is larger than the sum of its proper divisors (43934470).

85577402 is a wasteful number, since it uses less digits than its factorization.

85577402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 85577402 is about 9250.8054784435. The cubic root of 85577402 is about 440.6763049895.

The spelling of 85577402 in words is "eighty-five million, five hundred seventy-seven thousand, four hundred two".