868075402 has 4 divisors (see below), whose sum is σ = 1302113106. Its totient is φ = 434037700.

The previous prime is 868075399. The next prime is 868075427. The reversal of 868075402 is 204570868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 855036081 + 13039321 = 29241^2 + 3611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217018849 + ... + 217018852.

Almost surely, 2^868075402 is an apocalyptic number.

868075402 is a deficient number, since it is larger than the sum of its proper divisors (434037704).

868075402 is a wasteful number, since it uses less digits than its factorization.

868075402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434037703.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 868075402 is about 29463.1193528452. The cubic root of 868075402 is about 953.9358053281.

The spelling of 868075402 in words is "eight hundred sixty-eight million, seventy-five thousand, four hundred two".