601002778 has 16 divisors (see below), whose sum is σ = 905800320. Its totient is φ = 299073600.

The previous prime is 601002769. The next prime is 601002799. The reversal of 601002778 is 877200106.

It is a happy number.

It is a super-2 number, since 2×601002778² = 722408678327434568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595138 + ... + 596146.

It is an arithmetic number, because the mean of its divisors is an integer number (56612520).

Almost surely, 2^601002778 is an apocalyptic number.

601002778 is a deficient number, since it is larger than the sum of its proper divisors (304797542).

601002778 is a wasteful number, since it uses less digits than its factorization.

601002778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 601002778 is about 24515.3580026888. The cubic root of 601002778 is about 843.9022791782.

The spelling of 601002778 in words is "six hundred one million, two thousand, seven hundred seventy-eight".