428870290702 has 32 divisors (see below), whose sum is σ = 755070128640. Its totient is φ = 178897264800.

The previous prime is 428870290613. The next prime is 428870290729. The reversal of 428870290702 is 207092078824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2486938 + ... + 2653789.

It is an arithmetic number, because the mean of its divisors is an integer number (23595941520).

Almost surely, 2^428870290702 is an apocalyptic number.

428870290702 is a deficient number, since it is larger than the sum of its proper divisors (326199837938).

428870290702 is a wasteful number, since it uses less digits than its factorization.

428870290702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140896.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 428870290702 in words is "four hundred twenty-eight billion, eight hundred seventy million, two hundred ninety thousand, seven hundred two".