1077639147 has 42 divisors (see below), whose sum is σ = 1749766212. Its totient is φ = 663086736.

The previous prime is 1077639137. The next prime is 1077639161. The reversal of 1077639147 is 7419367701.

It is a happy number.

1077639147 is a `hidden beast` number, since 1 + 0 + 7 + 7 + 639 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 1077639147 - 2⁶ = 1077639083 is a prime.

It is a super-2 number, since 2×1077639147² = 2322612262293775218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1077639107) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 118828 + ... + 127574.

Almost surely, 2^1077639147 is an apocalyptic number.

1077639147 is a deficient number, since it is larger than the sum of its proper divisors (672127065).

1077639147 is an frugal number, since it uses more digits than its factorization.

1077639147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8791 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 1077639147 is about 32827.4145646592. The cubic root of 1077639147 is about 1025.2374296697.

The spelling of 1077639147 in words is "one billion, seventy-seven million, six hundred thirty-nine thousand, one hundred forty-seven".