7077771048 has 64 divisors (see below), whose sum is σ = 18504812160. Its totient is φ = 2251662336.

The previous prime is 7077771047. The next prime is 7077771053. The reversal of 7077771048 is 8401777707.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7077770988 and 7077771006.

It is not an unprimeable number, because it can be changed into a prime (7077771047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238236 + ... + 266292.

It is an arithmetic number, because the mean of its divisors is an integer number (289137690).

Almost surely, 2^7077771048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7077771048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9252406080).

7077771048 is an abundant number, since it is smaller than the sum of its proper divisors (11427041112).

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

7077771048 is a wasteful number, since it uses less digits than its factorization.

7077771048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546 (or 28542 counting only the distinct ones).

The product of its (nonzero) digits is 537824, while the sum is 48.

The square root of 7077771048 is about 84129.4897642913. The cubic root of 7077771048 is about 1919.9894248549.

The spelling of 7077771048 in words is "seven billion, seventy-seven million, seven hundred seventy-one thousand, forty-eight".