4077778189248 has 70 divisors (see below), whose sum is σ = 12087812020416. Its totient is φ = 1359259394688.

The previous prime is 4077778189231. The next prime is 4077778189249. The reversal of 4077778189248 is 8429818777704.

4077778189248 is a `hidden beast` number, since 407 + 77 + 78 + 1 + 89 + 2 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077778189249) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 393299040 + ... + 393309407.

Almost surely, 2^{4077778189248} is an apocalyptic number.

4077778189248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4077778189248 is an abundant number, since it is smaller than the sum of its proper divisors (8010033831168).

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

4077778189248 is an equidigital number, since it uses as much as digits as its factorization.

4077778189248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786608471 (or 786608452 counting only the distinct ones).

The product of its (nonzero) digits is 354041856, while the sum is 72.

The spelling of 4077778189248 in words is "four trillion, seventy-seven billion, seven hundred seventy-eight million, one hundred eighty-nine thousand, two hundred forty-eight".