61828803 has 12 divisors (see below), whose sum is σ = 89659128. Its totient is φ = 41057280.

The previous prime is 61828799. The next prime is 61828817. The reversal of 61828803 is 30882816.

It is not a de Polignac number, because 61828803 - 2² = 61828799 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61848803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11053 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (7471594).

Almost surely, 2^61828803 is an apocalyptic number.

61828803 is a deficient number, since it is larger than the sum of its proper divisors (27830325).

61828803 is a wasteful number, since it uses less digits than its factorization.

61828803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26994 (or 26991 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 61828803 is about 7863.1293388828. The cubic root of 61828803 is about 395.4245352790.

The spelling of 61828803 in words is "sixty-one million, eight hundred twenty-eight thousand, eight hundred three".