63763890 has 16 divisors (see below), whose sum is σ = 153033408. Its totient is φ = 17003696.

The previous prime is 63763879. The next prime is 63763891. The reversal of 63763890 is 9836736.

It is not an unprimeable number, because it can be changed into a prime (63763891) 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, 1062702 + ... + 1062761.

It is an arithmetic number, because the mean of its divisors is an integer number (9564588).

Almost surely, 2^63763890 is an apocalyptic number.

63763890 is an abundant number, since it is smaller than the sum of its proper divisors (89269518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63763890 is a wasteful number, since it uses less digits than its factorization.

63763890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125473.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 63763890 is about 7985.2294895012. The cubic root of 63763890 is about 399.5074980200.

The spelling of 63763890 in words is "sixty-three million, seven hundred sixty-three thousand, eight hundred ninety".