699377630078 has 8 divisors (see below), whose sum is σ = 1049482583760. Its totient is φ = 349550102160.

The previous prime is 699377630053. The next prime is 699377630089. The reversal of 699377630078 is 870036773996.

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

It is a junction number, because it is equal to n+sod(n) for n = 699377629996 and 699377630023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69350138 + ... + 69360221.

It is an arithmetic number, because the mean of its divisors is an integer number (131185322970).

Almost surely, 2^699377630078 is an apocalyptic number.

699377630078 is a deficient number, since it is larger than the sum of its proper divisors (350104953682).

699377630078 is a wasteful number, since it uses less digits than its factorization.

699377630078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138712882.

The product of its (nonzero) digits is 72013536, while the sum is 65.

The spelling of 699377630078 in words is "six hundred ninety-nine billion, three hundred seventy-seven million, six hundred thirty thousand, seventy-eight".