1047678677 has 6 divisors (see below), whose sum is σ = 1105722198. Its totient is φ = 992537352.

The previous prime is 1047678661. The next prime is 1047678701. The reversal of 1047678677 is 7768767401.

It can be written as a sum of positive squares in only one way, i.e., 827482756 + 220195921 = 28766^2 + 14839^2 .

It is not a de Polignac number, because 1047678677 - 2⁴ = 1047678661 is a prime.

It is a super-2 number, since 2×1047678677² = 2195261220480940658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047678607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1450718 + ... + 1451439.

It is an arithmetic number, because the mean of its divisors is an integer number (184287033).

Almost surely, 2^1047678677 is an apocalyptic number.

It is an amenable number.

1047678677 is a deficient number, since it is larger than the sum of its proper divisors (58043521).

1047678677 is an equidigital number, since it uses as much as digits as its factorization.

1047678677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902195 (or 2902176 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 1047678677 is about 32367.8648817002. The cubic root of 1047678677 is about 1015.6467932990.

The spelling of 1047678677 in words is "one billion, forty-seven million, six hundred seventy-eight thousand, six hundred seventy-seven".