7867061487 has 24 divisors (see below), whose sum is σ = 11735892480. Its totient is φ = 5073017040.

The previous prime is 7867061483. The next prime is 7867061497. The reversal of 7867061487 is 7841607687.

It is not a de Polignac number, because 7867061487 - 2² = 7867061483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7867061483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680328 + ... + 691794.

It is an arithmetic number, because the mean of its divisors is an integer number (488995520).

Almost surely, 2^7867061487 is an apocalyptic number.

7867061487 is a deficient number, since it is larger than the sum of its proper divisors (3868830993).

7867061487 is a wasteful number, since it uses less digits than its factorization.

7867061487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963 (or 13960 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 7867061487 is about 88696.4570149225. The cubic root of 7867061487 is about 1988.8598543713.

The spelling of 7867061487 in words is "seven billion, eight hundred sixty-seven million, sixty-one thousand, four hundred eighty-seven".