5102778 has 16 divisors (see below), whose sum is σ = 10454976. Its totient is φ = 1659360.

The previous prime is 5102777. The next prime is 5102789. The reversal of 5102778 is 8772015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5102777) 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, 10126 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (653436).

Almost surely, 2^5102778 is an apocalyptic number.

5102778 is an abundant number, since it is smaller than the sum of its proper divisors (5352198).

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

5102778 is a wasteful number, since it uses less digits than its factorization.

5102778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 5102778 is about 2258.9329339314. The cubic root of 5102778 is about 172.1613098188.

The spelling of 5102778 in words is "five million, one hundred two thousand, seven hundred seventy-eight".