90863012 has 6 divisors (see below), whose sum is σ = 159010278. Its totient is φ = 45431504.

The previous prime is 90862969. The next prime is 90863021. The reversal of 90863012 is 21036809.

It can be written as a sum of positive squares in only one way, i.e., 90744676 + 118336 = 9526^2 + 344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357873 + ... + 11357880.

It is an arithmetic number, because the mean of its divisors is an integer number (26501713).

Almost surely, 2^90863012 is an apocalyptic number.

It is an amenable number.

90863012 is a deficient number, since it is larger than the sum of its proper divisors (68147266).

90863012 is a wasteful number, since it uses less digits than its factorization.

90863012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22715757 (or 22715755 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90863012 is about 9532.2091878011. The cubic root of 90863012 is about 449.5683300788.

The spelling of 90863012 in words is "ninety million, eight hundred sixty-three thousand, twelve".