70390023355 has 16 divisors (see below), whose sum is σ = 85337853120. Its totient is φ = 55732773888.

The previous prime is 70390023299. The next prime is 70390023359. The reversal of 70390023355 is 55332009307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70390023355 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70390023359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863811 + ... + 941779.

It is an arithmetic number, because the mean of its divisors is an integer number (5333615820).

Almost surely, 2^70390023355 is an apocalyptic number.

70390023355 is a deficient number, since it is larger than the sum of its proper divisors (14947829765).

70390023355 is a wasteful number, since it uses less digits than its factorization.

70390023355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79830.

The product of its (nonzero) digits is 85050, while the sum is 37.

The spelling of 70390023355 in words is "seventy billion, three hundred ninety million, twenty-three thousand, three hundred fifty-five".