7677107428 has 6 divisors (see below), whose sum is σ = 13434938006. Its totient is φ = 3838553712.

The previous prime is 7677107387. The next prime is 7677107429. The reversal of 7677107428 is 8247017767.

It can be written as a sum of positive squares in only one way, i.e., 7449761344 + 227346084 = 86312^2 + 15078^2 .

It is a super-2 number, since 2×7677107428² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7677107429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959638425 + ... + 959638432.

Almost surely, 2^7677107428 is an apocalyptic number.

It is an amenable number.

7677107428 is a deficient number, since it is larger than the sum of its proper divisors (5757830578).

7677107428 is a wasteful number, since it uses less digits than its factorization.

7677107428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919276861 (or 1919276859 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 49.

The square root of 7677107428 is about 87619.1042410273. The cubic root of 7677107428 is about 1972.7219305830.

The spelling of 7677107428 in words is "seven billion, six hundred seventy-seven million, one hundred seven thousand, four hundred twenty-eight".