5269601778 has 32 divisors (see below), whose sum is σ = 12678743040. Its totient is φ = 1426358160.

The previous prime is 5269601767. The next prime is 5269601807. The reversal of 5269601778 is 8771069625.

It is a super-2 number, since 2×5269601778² = 55537405797401522568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5269601778.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300958 + ... + 3302553.

It is an arithmetic number, because the mean of its divisors is an integer number (396210720).

Almost surely, 2^5269601778 is an apocalyptic number.

5269601778 is an abundant number, since it is smaller than the sum of its proper divisors (7409141262).

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

5269601778 is a wasteful number, since it uses less digits than its factorization.

5269601778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603542.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 5269601778 is about 72592.0228262032. The cubic root of 5269601778 is about 1740.1736931905.

The spelling of 5269601778 in words is "five billion, two hundred sixty-nine million, six hundred one thousand, seven hundred seventy-eight".