69906246157 has 8 divisors (see below), whose sum is σ = 77001762240. Its totient is φ = 62934130560.

The previous prime is 69906246143. The next prime is 69906246173. The reversal of 69906246157 is 75164260996.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 69906246157 - 2²⁷ = 69772028429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69906246098 and 69906246107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69906246127) 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, 30848932 + ... + 30851197.

It is an arithmetic number, because the mean of its divisors is an integer number (9625220280).

Almost surely, 2^69906246157 is an apocalyptic number.

It is an amenable number.

69906246157 is a deficient number, since it is larger than the sum of its proper divisors (7095516083).

69906246157 is a wasteful number, since it uses less digits than its factorization.

69906246157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61700243.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 69906246157 in words is "sixty-nine billion, nine hundred six million, two hundred forty-six thousand, one hundred fifty-seven".