870419998 has 16 divisors (see below), whose sum is σ = 1493384544. Its totient is φ = 372728160.

The previous prime is 870419993. The next prime is 870420011. The reversal of 870419998 is 899914078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870419993) 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, 7813 + ... + 42448.

It is an arithmetic number, because the mean of its divisors is an integer number (93336534).

Almost surely, 2^870419998 is an apocalyptic number.

870419998 is a deficient number, since it is larger than the sum of its proper divisors (622964546).

870419998 is a wasteful number, since it uses less digits than its factorization.

870419998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51507.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 870419998 is about 29502.8811813355. The cubic root of 870419998 is about 954.7938657643.

The spelling of 870419998 in words is "eight hundred seventy million, four hundred nineteen thousand, nine hundred ninety-eight".