70907861998 has 8 divisors (see below), whose sum is σ = 106865877960. Its totient is φ = 35285902680.

The previous prime is 70907861977. The next prime is 70907862007. The reversal of 70907861998 is 89916870907.

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

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, 84013633 + ... + 84014476.

It is an arithmetic number, because the mean of its divisors is an integer number (13358234745).

Almost surely, 2^70907861998 is an apocalyptic number.

70907861998 is a deficient number, since it is larger than the sum of its proper divisors (35958015962).

70907861998 is a wasteful number, since it uses less digits than its factorization.

70907861998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168028322.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The spelling of 70907861998 in words is "seventy billion, nine hundred seven million, eight hundred sixty-one thousand, nine hundred ninety-eight".