78070038502 has 8 divisors (see below), whose sum is σ = 123993590616. Its totient is φ = 36738841632.

The previous prime is 78070038499. The next prime is 78070038547. The reversal of 78070038502 is 20583007087.

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, 1148088768 + ... + 1148088835.

It is an arithmetic number, because the mean of its divisors is an integer number (15499198827).

Almost surely, 2^78070038502 is an apocalyptic number.

78070038502 is a deficient number, since it is larger than the sum of its proper divisors (45923552114).

78070038502 is a wasteful number, since it uses less digits than its factorization.

78070038502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296177622.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 78070038502 in words is "seventy-eight billion, seventy million, thirty-eight thousand, five hundred two".