287061379 has 8 divisors (see below), whose sum is σ = 313283520. Its totient is φ = 260860200.

The previous prime is 287061361. The next prime is 287061391. The reversal of 287061379 is 973160782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 287061379 - 2¹³ = 287053187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (287061319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41812 + ... + 48190.

It is an arithmetic number, because the mean of its divisors is an integer number (39160440).

Almost surely, 2^287061379 is an apocalyptic number.

287061379 is a deficient number, since it is larger than the sum of its proper divisors (26222141).

287061379 is a wasteful number, since it uses less digits than its factorization.

287061379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 287061379 is about 16942.8857931581. The cubic root of 287061379 is about 659.6672480897.

The spelling of 287061379 in words is "two hundred eighty-seven million, sixty-one thousand, three hundred seventy-nine".