11777774038 has 8 divisors (see below), whose sum is σ = 17670638232. Its totient is φ = 5887561296.

The previous prime is 11777773951. The next prime is 11777774077. The reversal of 11777774038 is 83047777711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11777774038² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651720 + ... + 669547.

It is an arithmetic number, because the mean of its divisors is an integer number (2208829779).

Almost surely, 2^11777774038 is an apocalyptic number.

11777774038 is a deficient number, since it is larger than the sum of its proper divisors (5892864194).

11777774038 is a wasteful number, since it uses less digits than its factorization.

11777774038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325726.

The product of its (nonzero) digits is 1613472, while the sum is 52.

The spelling of 11777774038 in words is "eleven billion, seven hundred seventy-seven million, seven hundred seventy-four thousand, thirty-eight".