85191310 has 32 divisors (see below), whose sum is σ = 160538112. Its totient is φ = 32487840.

The previous prime is 85191277. The next prime is 85191329. The reversal of 85191310 is 1319158.

It is a super-2 number, since 2×85191310² = 14515118599032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134695 + ... + 135325.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 2^85191310 is an apocalyptic number.

85191310 is a deficient number, since it is larger than the sum of its proper divisors (75346802).

85191310 is a wasteful number, since it uses less digits than its factorization.

85191310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 85191310 is about 9229.9138674204. The cubic root of 85191310 is about 440.0125857281.

The spelling of 85191310 in words is "eighty-five million, one hundred ninety-one thousand, three hundred ten".