2778955433762 has 16 divisors (see below), whose sum is σ = 4353075628992. Its totient is φ = 1328024842320.

The previous prime is 2778955433759. The next prime is 2778955433783. The reversal of 2778955433762 is 2673345598772.

It is a junction number, because it is equal to n+sod(n) for n = 2778955433692 and 2778955433701.

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, 23595164 + ... + 23712647.

It is an arithmetic number, because the mean of its divisors is an integer number (272067226812).

Almost surely, 2^{2778955433762} is an apocalyptic number.

2778955433762 is a deficient number, since it is larger than the sum of its proper divisors (1574120195230).

2778955433762 is a wasteful number, since it uses less digits than its factorization.

2778955433762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47309113.

The product of its digits is 533433600, while the sum is 68.

The spelling of 2778955433762 in words is "two trillion, seven hundred seventy-eight billion, nine hundred fifty-five million, four hundred thirty-three thousand, seven hundred sixty-two".